1292904 has 24 divisors (see below), whose sum is σ = 3501810. Its totient is φ = 430944.

The previous prime is 1292887. The next prime is 1292927. The reversal of 1292904 is 4092921.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 636804 = 810^2 + 798^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8907 + ... + 9050.

2^1292904 is an apocalyptic number.

It is an amenable number.

1292904 is an abundant number, since it is smaller than the sum of its proper divisors (2208906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1292904 is a wasteful number, since it uses less digits than its factorization.

1292904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17969 (or 17962 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1292904 is about 1137.0593652048. The cubic root of 1292904 is about 108.9403483613.

The spelling of 1292904 in words is "one million, two hundred ninety-two thousand, nine hundred four".