1056251567 has 16 divisors (see below), whose sum is σ = 1233315840. Its totient is φ = 885935232.

The previous prime is 1056251557. The next prime is 1056251579. The reversal of 1056251567 is 7651526501.

It is not a de Polignac number, because 1056251567 - 2⁶ = 1056251503 is a prime.

It is a super-2 number, since 2×1056251567² = 2231334745579910978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056251567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056251557) 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, 54038 + ... + 70940.

It is an arithmetic number, because the mean of its divisors is an integer number (77082240).

Almost surely, 2^1056251567 is an apocalyptic number.

1056251567 is a deficient number, since it is larger than the sum of its proper divisors (177064273).

1056251567 is a wasteful number, since it uses less digits than its factorization.

1056251567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17102.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1056251567 is about 32500.0241076834. The cubic root of 1056251567 is about 1018.4095317442.

The spelling of 1056251567 in words is "one billion, fifty-six million, two hundred fifty-one thousand, five hundred sixty-seven".