1240724876 has 12 divisors (see below), whose sum is σ = 2180279640. Its totient is φ = 617787840.

The previous prime is 1240724869. The next prime is 1240724879. The reversal of 1240724876 is 6784270421.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1240724879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642566 + ... + 644493.

It is an arithmetic number, because the mean of its divisors is an integer number (181689970).

Almost surely, 2^1240724876 is an apocalyptic number.

It is an amenable number.

1240724876 is a deficient number, since it is larger than the sum of its proper divisors (939554764).

1240724876 is a wasteful number, since it uses less digits than its factorization.

1240724876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287304 (or 1287302 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 1240724876 is about 35223.9247671238. The cubic root of 1240724876 is about 1074.5463746070.

The spelling of 1240724876 in words is "one billion, two hundred forty million, seven hundred twenty-four thousand, eight hundred seventy-six".