1056685765 has 8 divisors (see below), whose sum is σ = 1268201088. Its totient is φ = 845229840.

The previous prime is 1056685759. The next prime is 1056685771. The reversal of 1056685765 is 5675866501.

It is an interprime number because it is at equal distance from previous prime (1056685759) and next prime (1056685771).

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

It is not a de Polignac number, because 1056685765 - 2⁵ = 1056685733 is a prime.

It is a super-2 number, since 2×1056685765² = 2233169611907270450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50224 + ... + 68086.

It is an arithmetic number, because the mean of its divisors is an integer number (158525136).

Almost surely, 2^1056685765 is an apocalyptic number.

It is an amenable number.

1056685765 is a deficient number, since it is larger than the sum of its proper divisors (211515323).

1056685765 is a wasteful number, since it uses less digits than its factorization.

1056685765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29699.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 1056685765 is about 32506.7033856096. The cubic root of 1056685765 is about 1018.5490599962.

The spelling of 1056685765 in words is "one billion, fifty-six million, six hundred eighty-five thousand, seven hundred sixty-five".