1453012111 has 4 divisors (see below), whose sum is σ = 1453100152. Its totient is φ = 1452924072.

The previous prime is 1453012103. The next prime is 1453012153. The reversal of 1453012111 is 1112103541.

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: 1112103541 = 23581 ⋅47161.

It is a cyclic number.

It is not a de Polignac number, because 1453012111 - 2³ = 1453012103 is a prime.

It is a super-2 number, since 2×1453012111² = 4222488389425352642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453012181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11016 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (363275038).

Almost surely, 2^1453012111 is an apocalyptic number.

1453012111 is a deficient number, since it is larger than the sum of its proper divisors (88041).

1453012111 is an equidigital number, since it uses as much as digits as its factorization.

1453012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88040.

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

The square root of 1453012111 is about 38118.3959657276. The cubic root of 1453012111 is about 1132.6343921588.

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

The spelling of 1453012111 in words is "one billion, four hundred fifty-three million, twelve thousand, one hundred eleven".