1118217904 has 40 divisors (see below), whose sum is σ = 2188431360. Its totient is φ = 553492800.

The previous prime is 1118217883. The next prime is 1118217911. The reversal of 1118217904 is 4097128111.

It is a super-2 number, since 2×1118217904² = 2500822561652306432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1118217904.

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, 729619 + ... + 731149.

It is an arithmetic number, because the mean of its divisors is an integer number (54710784).

Almost surely, 2^1118217904 is an apocalyptic number.

It is an amenable number.

1118217904 is a deficient number, since it is larger than the sum of its proper divisors (1070213456).

1118217904 is a wasteful number, since it uses less digits than its factorization.

1118217904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1118217904 is about 33439.7653101812. The cubic root of 1118217904 is about 1037.9477230340.

The spelling of 1118217904 in words is "one billion, one hundred eighteen million, two hundred seventeen thousand, nine hundred four".