1240804972 has 12 divisors (see below), whose sum is σ = 2368809576. Its totient is φ = 564002240.

The previous prime is 1240804969. The next prime is 1240804997. The reversal of 1240804972 is 2794080421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100013 + ... + 14100100.

It is an arithmetic number, because the mean of its divisors is an integer number (197400798).

Almost surely, 2^1240804972 is an apocalyptic number.

It is an amenable number.

1240804972 is a deficient number, since it is larger than the sum of its proper divisors (1128004604).

1240804972 is a wasteful number, since it uses less digits than its factorization.

1240804972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28200128 (or 28200126 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1240804972 is about 35225.0617032817. The cubic root of 1240804972 is about 1074.5694968469.

The spelling of 1240804972 in words is "one billion, two hundred forty million, eight hundred four thousand, nine hundred seventy-two".