1252904 has 16 divisors (see below), whose sum is σ = 2364000. Its totient is φ = 622512.

The previous prime is 1252903. The next prime is 1252913. The reversal of 1252904 is 4092521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252904.

It is not an unprimeable number, because it can be changed into a prime (1252903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (147750).

2^1252904 is an apocalyptic number.

It is an amenable number.

1252904 is a deficient number, since it is larger than the sum of its proper divisors (1111096).

1252904 is a wasteful number, since it uses less digits than its factorization.

1252904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1252904 is about 1119.3319436164. The cubic root of 1252904 is about 107.8050896958.

The spelling of 1252904 in words is "one million, two hundred fifty-two thousand, nine hundred four".