1080979725 has 24 divisors (see below), whose sum is σ = 2042537920. Its totient is φ = 494161920.

The previous prime is 1080979721. The next prime is 1080979733. The reversal of 1080979725 is 5279790801.

It is not a de Polignac number, because 1080979725 - 2² = 1080979721 is a prime.

It is a super-2 number, since 2×1080979725² = 2337034331722151250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080979721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1028980 + ... + 1030029.

Almost surely, 2^1080979725 is an apocalyptic number.

1080979725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080979725 is a deficient number, since it is larger than the sum of its proper divisors (961558195).

1080979725 is a wasteful number, since it uses less digits than its factorization.

1080979725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059029 (or 2059024 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 1080979725 is about 32878.2561125130. The cubic root of 1080979725 is about 1026.2957161270.

The spelling of 1080979725 in words is "one billion, eighty million, nine hundred seventy-nine thousand, seven hundred twenty-five".