1290944 has 28 divisors (see below), whose sum is σ = 2676144. Its totient is φ = 616704.

The previous prime is 1290937. The next prime is 1290983. The reversal of 1290944 is 4490921.

It is a super-2 number, since 2×1290944² = 3333072822272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 1034 + ... + 1910.

2^1290944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1290944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338072).

1290944 is an abundant number, since it is smaller than the sum of its proper divisors (1385200).

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

1290944 is an equidigital number, since it uses as much as digits as its factorization.

1290944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1290944 is about 1136.1971659884. The cubic root of 1290944 is about 108.8852705232.

The spelling of 1290944 in words is "one million, two hundred ninety thousand, nine hundred forty-four".