1242633204 has 24 divisors (see below), whose sum is σ = 3221641920. Its totient is φ = 414211032.

The previous prime is 1242633191. The next prime is 1242633211. The reversal of 1242633204 is 4023362421.

1242633204 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 633 + 20 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752824 + ... + 5753039.

It is an arithmetic number, because the mean of its divisors is an integer number (134235080).

Almost surely, 2^1242633204 is an apocalyptic number.

It is an amenable number.

1242633204 is an abundant number, since it is smaller than the sum of its proper divisors (1979008716).

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

1242633204 is a wasteful number, since it uses less digits than its factorization.

1242633204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505876 (or 11505868 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1242633204 is about 35251.0028793508. The cubic root of 1242633204 is about 1075.0970033973.

Adding to 1242633204 its reverse (4023362421), we get a palindrome (5265995625).

The spelling of 1242633204 in words is "one billion, two hundred forty-two million, six hundred thirty-three thousand, two hundred four".