1040012725 has 6 divisors (see below), whose sum is σ = 1289615810. Its totient is φ = 832010160.

The previous prime is 1040012717. The next prime is 1040012759. The reversal of 1040012725 is 5272100401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18507204 + 1021505521 = 4302^2 + 31961^2 .

It is not a de Polignac number, because 1040012725 - 2³ = 1040012717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040012696 and 1040012705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20800230 + ... + 20800279.

Almost surely, 2^1040012725 is an apocalyptic number.

It is an amenable number.

1040012725 is a deficient number, since it is larger than the sum of its proper divisors (249603085).

1040012725 is an equidigital number, since it uses as much as digits as its factorization.

1040012725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41600519 (or 41600514 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1040012725 is about 32249.2282853404. The cubic root of 1040012725 is about 1013.1635359999.

The spelling of 1040012725 in words is "one billion, forty million, twelve thousand, seven hundred twenty-five".