1281292 has 12 divisors (see below), whose sum is σ = 2314816. Its totient is φ = 619920.

The previous prime is 1281283. The next prime is 1281317. The reversal of 1281292 is 2921821.

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, 5043 + ... + 5290.

2^1281292 is an apocalyptic number.

It is an amenable number.

1281292 is a deficient number, since it is larger than the sum of its proper divisors (1033524).

1281292 is a wasteful number, since it uses less digits than its factorization.

1281292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368 (or 10366 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 1281292 is about 1131.9416946115. The cubic root of 1281292 is about 108.6132239164.

The spelling of 1281292 in words is "one million, two hundred eighty-one thousand, two hundred ninety-two".