1290992 has 10 divisors (see below), whose sum is σ = 2501328. Its totient is φ = 645488.

The previous prime is 1290983. The next prime is 1291001. The reversal of 1290992 is 2990921.

It is an interprime number because it is at equal distance from previous prime (1290983) and next prime (1291001).

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 as a sum of consecutive naturals, namely, 40328 + ... + 40359.

2^1290992 is an apocalyptic number.

It is an amenable number.

1290992 is a deficient number, since it is larger than the sum of its proper divisors (1210336).

1290992 is an equidigital number, since it uses as much as digits as its factorization.

1290992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80695 (or 80689 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1290992 is about 1136.2182888864. The cubic root of 1290992 is about 108.8866200339.

The spelling of 1290992 in words is "one million, two hundred ninety thousand, nine hundred ninety-two".