1118393252 has 6 divisors (see below), whose sum is σ = 1957188198. Its totient is φ = 559196624.

The previous prime is 1118393249. The next prime is 1118393291. The reversal of 1118393252 is 2523938111.

It can be written as a sum of positive squares in only one way, i.e., 989479936 + 128913316 = 31456^2 + 11354^2 .

It is a super-2 number, since 2×1118393252² = 2501606932238271008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 139799153 + ... + 139799160.

It is an arithmetic number, because the mean of its divisors is an integer number (326198033).

Almost surely, 2^1118393252 is an apocalyptic number.

It is an amenable number.

1118393252 is a deficient number, since it is larger than the sum of its proper divisors (838794946).

1118393252 is a wasteful number, since it uses less digits than its factorization.

1118393252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279598317 (or 279598315 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 1118393252 is about 33442.3870559504. The cubic root of 1118393252 is about 1038.0019738034.

The spelling of 1118393252 in words is "one billion, one hundred eighteen million, three hundred ninety-three thousand, two hundred fifty-two".