1296824725 has 24 divisors (see below), whose sum is σ = 1854077760. Its totient is φ = 881368320.

The previous prime is 1296824677. The next prime is 1296824741. The reversal of 1296824725 is 5274286921.

It is not a de Polignac number, because 1296824725 - 2¹³ = 1296816533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13015 + ... + 52564.

It is an arithmetic number, because the mean of its divisors is an integer number (77253240).

Almost surely, 2^1296824725 is an apocalyptic number.

It is an amenable number.

1296824725 is a deficient number, since it is larger than the sum of its proper divisors (557253035).

1296824725 is a wasteful number, since it uses less digits than its factorization.

1296824725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65709 (or 65704 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 1296824725 is about 36011.4526921645. The cubic root of 1296824725 is about 1090.5035759160.

The spelling of 1296824725 in words is "one billion, two hundred ninety-six million, eight hundred twenty-four thousand, seven hundred twenty-five".