1290972 has 12 divisors (see below), whose sum is σ = 3012296. Its totient is φ = 430320.

The previous prime is 1290937. The next prime is 1290983. The reversal of 1290972 is 2790921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53779 + ... + 53802.

2^1290972 is an apocalyptic number.

1290972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1290972 is an abundant number, since it is smaller than the sum of its proper divisors (1721324).

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

1290972 is a wasteful number, since it uses less digits than its factorization.

1290972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107588 (or 107586 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1290972 is about 1136.2094877266. The cubic root of 1290972 is about 108.8860577418.

The spelling of 1290972 in words is "one million, two hundred ninety thousand, nine hundred seventy-two".