1056780125 has 32 divisors (see below), whose sum is σ = 1387792224. Its totient is φ = 802368000.

The previous prime is 1056780119. The next prime is 1056780139. The reversal of 1056780125 is 5210876501.

It can be written as a sum of positive squares in 16 ways, for example, as 1001975716 + 54804409 = 31654^2 + 7403^2 .

It is not a de Polignac number, because 1056780125 - 2⁸ = 1056779869 is a prime.

It is a super-2 number, since 2×1056780125² = 2233568465190031250, 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 31 ways as a sum of consecutive naturals, for example, 186839 + ... + 192411.

It is an arithmetic number, because the mean of its divisors is an integer number (43368507).

Almost surely, 2^1056780125 is an apocalyptic number.

It is an amenable number.

1056780125 is a deficient number, since it is larger than the sum of its proper divisors (331012099).

1056780125 is an equidigital number, since it uses as much as digits as its factorization.

1056780125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5656 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1056780125 is about 32508.1547461556. The cubic root of 1056780125 is about 1018.5793772491.

The spelling of 1056780125 in words is "one billion, fifty-six million, seven hundred eighty thousand, one hundred twenty-five".