1257468025 has 12 divisors (see below), whose sum is σ = 1701011664. Its totient is φ = 914522000.

The previous prime is 1257467999. The next prime is 1257468041. The reversal of 1257468025 is 5208647521.

It is not a de Polignac number, because 1257468025 - 2¹¹ = 1257465977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2286031 + ... + 2286580.

It is an arithmetic number, because the mean of its divisors is an integer number (141750972).

Almost surely, 2^1257468025 is an apocalyptic number.

It is an amenable number.

1257468025 is a deficient number, since it is larger than the sum of its proper divisors (443543639).

1257468025 is a wasteful number, since it uses less digits than its factorization.

1257468025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572632 (or 4572627 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1257468025 is about 35460.7956058518. The cubic root of 1257468025 is about 1079.3583365491.

The spelling of 1257468025 in words is "one billion, two hundred fifty-seven million, four hundred sixty-eight thousand, twenty-five".