1056211617 has 8 divisors (see below), whose sum is σ = 1411551360. Its totient is φ = 702506480.

The previous prime is 1056211609. The next prime is 1056211621. The reversal of 1056211617 is 7161126501.

1056211617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056211617 - 2³ = 1056211609 is a prime.

It is a super-2 number, since 2×1056211617² = 2231165959771509378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056211627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407142 + ... + 409727.

It is an arithmetic number, because the mean of its divisors is an integer number (176443920).

Almost surely, 2^1056211617 is an apocalyptic number.

It is an amenable number.

1056211617 is a deficient number, since it is larger than the sum of its proper divisors (355339743).

1056211617 is an equidigital number, since it uses as much as digits as its factorization.

1056211617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817303.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1056211617 is about 32499.4094869430. The cubic root of 1056211617 is about 1018.3966920082.

The spelling of 1056211617 in words is "one billion, fifty-six million, two hundred eleven thousand, six hundred seventeen".