1231982796 has 36 divisors (see below), whose sum is σ = 3159717176. Its totient is φ = 373327680.

The previous prime is 1231982771. The next prime is 1231982831. The reversal of 1231982796 is 6972891321.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422785 + ... + 425688.

Almost surely, 2^1231982796 is an apocalyptic number.

It is an amenable number.

1231982796 is an abundant number, since it is smaller than the sum of its proper divisors (1927734380).

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

1231982796 is a wasteful number, since it uses less digits than its factorization.

1231982796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848502 (or 848489 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 1231982796 is about 35099.6124764932. The cubic root of 1231982796 is about 1072.0166921642.

The spelling of 1231982796 in words is "one billion, two hundred thirty-one million, nine hundred eighty-two thousand, seven hundred ninety-six".