1112103541 has 4 divisors (see below), whose sum is σ = 1112174284. Its totient is φ = 1112032800.

The previous prime is 1112103533. The next prime is 1112103581. The reversal of 1112103541 is 1453012111.

1112103541 is a nontrivial binomial coefficient, being equal to C(47162, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1453012111 = 22003 ⋅66037.

It can be written as a sum of positive squares in 2 ways, for example, as 232684516 + 879419025 = 15254^2 + 29655^2 .

It is a 3-Lehmer number, since φ(1112103541) divides (1112103541-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1112103541 - 2³ = 1112103533 is a prime.

It is a deceptive number, since it divides R_1112103540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112103511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (278043571).

It is a Poulet number, since it divides 2^1112103540-1.

Almost surely, 2^1112103541 is an apocalyptic number.

1112103541 is the 47161-st triangular number and also the 23581-st hexagonal number.

1112103541 is the 15721-st centered nonagonal number.

It is an amenable number.

1112103541 is a deficient number, since it is larger than the sum of its proper divisors (70743).

1112103541 is an equidigital number, since it uses as much as digits as its factorization.

1112103541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70742.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1112103541 is about 33348.2164590552. The cubic root of 1112103541 is about 1036.0524479269.

Adding to 1112103541 its reverse (1453012111), we get a palindrome (2565115652).

It can be divided in two parts, 1112 and 103541, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 1112103541 in words is "one billion, one hundred twelve million, one hundred three thousand, five hundred forty-one".