1231208974 has 16 divisors (see below), whose sum is σ = 1883327760. Its totient is φ = 603453760.

The previous prime is 1231208971. The next prime is 1231209011. The reversal of 1231208974 is 4798021321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231208971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132129 + ... + 141139.

It is an arithmetic number, because the mean of its divisors is an integer number (117707985).

Almost surely, 2^1231208974 is an apocalyptic number.

1231208974 is a deficient number, since it is larger than the sum of its proper divisors (652118786).

1231208974 is a wasteful number, since it uses less digits than its factorization.

1231208974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1231208974 is about 35088.5875178811. The cubic root of 1231208974 is about 1071.7921966470.

The spelling of 1231208974 in words is "one billion, two hundred thirty-one million, two hundred eight thousand, nine hundred seventy-four".