1121276492 has 12 divisors (see below), whose sum is σ = 2242553040. Its totient is φ = 480547056.

The previous prime is 1121276483. The next prime is 1121276543. The reversal of 1121276492 is 2946721211.

1121276492 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20022767 + ... + 20022822.

It is an arithmetic number, because the mean of its divisors is an integer number (186879420).

Almost surely, 2^1121276492 is an apocalyptic number.

It is an amenable number.

1121276492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121276492 is a wasteful number, since it uses less digits than its factorization.

1121276492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40045600 (or 40045598 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 1121276492 is about 33485.4668774380. The cubic root of 1121276492 is about 1038.8932049342.

The spelling of 1121276492 in words is "one billion, one hundred twenty-one million, two hundred seventy-six thousand, four hundred ninety-two".