1056917133 has 16 divisors (see below), whose sum is σ = 1567891200. Its totient is φ = 703671840.

The previous prime is 1056917129. The next prime is 1056917177. The reversal of 1056917133 is 3317196501.

It is not a de Polignac number, because 1056917133 - 2² = 1056917129 is a prime.

It is a super-3 number, since 3×1056917133³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056917233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5173 + ... + 46266.

It is an arithmetic number, because the mean of its divisors is an integer number (97993200).

Almost surely, 2^1056917133 is an apocalyptic number.

It is an amenable number.

1056917133 is a deficient number, since it is larger than the sum of its proper divisors (510974067).

1056917133 is an equidigital number, since it uses as much as digits as its factorization.

1056917133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52209 (or 52203 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 1056917133 is about 32510.2619644936. The cubic root of 1056917133 is about 1018.6233938140.

The spelling of 1056917133 in words is "one billion, fifty-six million, nine hundred seventeen thousand, one hundred thirty-three".