1304122525 has 12 divisors (see below), whose sum is σ = 1618271424. Its totient is φ = 1042550000.

The previous prime is 1304122493. The next prime is 1304122537. The reversal of 1304122525 is 5252214031.

It is not a de Polignac number, because 1304122525 - 2⁵ = 1304122493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304122525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18300 + ... + 54250.

It is an arithmetic number, because the mean of its divisors is an integer number (134855952).

Almost surely, 2^1304122525 is an apocalyptic number.

It is an amenable number.

1304122525 is a deficient number, since it is larger than the sum of its proper divisors (314148899).

1304122525 is a wasteful number, since it uses less digits than its factorization.

1304122525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37412 (or 37407 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1304122525 is about 36112.6366387169. The cubic root of 1304122525 is about 1092.5453309567.

Adding to 1304122525 its reverse (5252214031), we get a palindrome (6556336556).

The spelling of 1304122525 in words is "one billion, three hundred four million, one hundred twenty-two thousand, five hundred twenty-five".