1042113025 has 6 divisors (see below), whose sum is σ = 1292220182. Its totient is φ = 833690400.

The previous prime is 1042113013. The next prime is 1042113043. The reversal of 1042113025 is 5203112401.

It can be written as a sum of positive squares in 3 ways, for example, as 4177936 + 1037935089 = 2044^2 + 32217^2 .

It is not a de Polignac number, because 1042113025 - 2¹⁵ = 1042080257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042112993 and 1042113011.

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 5 ways as a sum of consecutive naturals, for example, 20842236 + ... + 20842285.

Almost surely, 2^1042113025 is an apocalyptic number.

It is an amenable number.

1042113025 is a deficient number, since it is larger than the sum of its proper divisors (250107157).

1042113025 is an equidigital number, since it uses as much as digits as its factorization.

1042113025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41684531 (or 41684526 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1042113025 is about 32281.7754313483. The cubic root of 1042113025 is about 1013.8451034683.

Adding to 1042113025 its reverse (5203112401), we get a palindrome (6245225426).

The spelling of 1042113025 in words is "one billion, forty-two million, one hundred thirteen thousand, twenty-five".