1290604 has 12 divisors (see below), whose sum is σ = 2581264. Its totient is φ = 553104.

The previous prime is 1290593. The next prime is 1290607. The reversal of 1290604 is 4060921.

1290604 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1290607) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23019 + ... + 23074.

2^1290604 is an apocalyptic number.

1290604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1290604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1290604 is a wasteful number, since it uses less digits than its factorization.

1290604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46104 (or 46102 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1290604 is about 1136.0475342168. The cubic root of 1290604 is about 108.8757105313.

The spelling of 1290604 in words is "one million, two hundred ninety thousand, six hundred four".