1150431025 has 12 divisors (see below), whose sum is σ = 1449922204. Its totient is φ = 905256000.

The previous prime is 1150431011. The next prime is 1150431053. The reversal of 1150431025 is 5201340511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 492662416 + 657768609 = 22196^2 + 25647^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1150431025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150430987 and 1150431005.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 375666 + ... + 378715.

Almost surely, 2^1150431025 is an apocalyptic number.

It is an amenable number.

1150431025 is a deficient number, since it is larger than the sum of its proper divisors (299491179).

1150431025 is an equidigital number, since it uses as much as digits as its factorization.

1150431025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754452 (or 754447 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1150431025 is about 33918.0044371717. The cubic root of 1150431025 is about 1047.8204296885.

Adding to 1150431025 its reverse (5201340511), we get a palindrome (6351771536).

The spelling of 1150431025 in words is "one billion, one hundred fifty million, four hundred thirty-one thousand, twenty-five".