1056617969 has 16 divisors (see below), whose sum is σ = 1169475840. Its totient is φ = 946608000.

The previous prime is 1056617963. The next prime is 1056618019. The reversal of 1056617969 is 9697166501.

It is a cyclic number.

It is not a de Polignac number, because 1056617969 - 2²⁰ = 1055569393 is a prime.

It is a super-2 number, since 2×1056617969² = 2232883064827369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056617963) 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, 712709 + ... + 714189.

It is an arithmetic number, because the mean of its divisors is an integer number (73092240).

Almost surely, 2^1056617969 is an apocalyptic number.

It is an amenable number.

1056617969 is a deficient number, since it is larger than the sum of its proper divisors (112857871).

1056617969 is a wasteful number, since it uses less digits than its factorization.

1056617969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 1056617969 is about 32505.6605685841. The cubic root of 1056617969 is about 1018.5272764692.

The spelling of 1056617969 in words is "one billion, fifty-six million, six hundred seventeen thousand, nine hundred sixty-nine".