1290488 has 16 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 638208.

The previous prime is 1290469. The next prime is 1290491. The reversal of 1290488 is 8840921.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 56 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^1290488 is an apocalyptic number.

It is an amenable number.

1290488 is a deficient number, since it is larger than the sum of its proper divisors (1155592).

1290488 is a wasteful number, since it uses less digits than its factorization.

1290488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1290488 is about 1135.9964788678. The cubic root of 1290488 is about 108.8724485028.

The spelling of 1290488 in words is "one million, two hundred ninety thousand, four hundred eighty-eight".