1242556604 has 24 divisors (see below), whose sum is σ = 2290943760. Its totient is φ = 588059136.

The previous prime is 1242556583. The next prime is 1242556621. The reversal of 1242556604 is 4066552421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87404 + ... + 100620.

It is an arithmetic number, because the mean of its divisors is an integer number (95455990).

Almost surely, 2^1242556604 is an apocalyptic number.

It is an amenable number.

1242556604 is a deficient number, since it is larger than the sum of its proper divisors (1048387156).

1242556604 is a wasteful number, since it uses less digits than its factorization.

1242556604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477 (or 14475 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1242556604 is about 35249.9163686951. The cubic root of 1242556604 is about 1075.0749121043.

The spelling of 1242556604 in words is "one billion, two hundred forty-two million, five hundred fifty-six thousand, six hundred four".