1042111133 has 4 divisors (see below), whose sum is σ = 1190984160. Its totient is φ = 893238108.

The previous prime is 1042111123. The next prime is 1042111139. The reversal of 1042111133 is 3311112401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3311112401 = 911 ⋅3634591.

It is not a de Polignac number, because 1042111133 - 2⁸ = 1042110877 is a prime.

It is a super-2 number, since 2×1042111133² = 2171991227045087378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042111139) 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, 74436503 + ... + 74436516.

It is an arithmetic number, because the mean of its divisors is an integer number (297746040).

Almost surely, 2^1042111133 is an apocalyptic number.

It is an amenable number.

1042111133 is a deficient number, since it is larger than the sum of its proper divisors (148873027).

1042111133 is an equidigital number, since it uses as much as digits as its factorization.

1042111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148873026.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1042111133 is about 32281.7461268749. The cubic root of 1042111133 is about 1013.8444899085.

Adding to 1042111133 its reverse (3311112401), we get a palindrome (4353223534).

The spelling of 1042111133 in words is "one billion, forty-two million, one hundred eleven thousand, one hundred thirty-three".