1118239264 has 12 divisors (see below), whose sum is σ = 2201533614. Its totient is φ = 559119616.

The previous prime is 1118239261. The next prime is 1118239267. The reversal of 1118239264 is 4629328111.

It is an interprime number because it is at equal distance from previous prime (1118239261) and next prime (1118239267).

It can be written as a sum of positive squares in only one way, i.e., 832899600 + 285339664 = 28860^2 + 16892^2 .

It is not an unprimeable number, because it can be changed into a prime (1118239261) by changing a digit.

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, 17472457 + ... + 17472520.

Almost surely, 2^1118239264 is an apocalyptic number.

It is an amenable number.

1118239264 is a deficient number, since it is larger than the sum of its proper divisors (1083294350).

1118239264 is an equidigital number, since it uses as much as digits as its factorization.

1118239264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944987 (or 34944979 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1118239264 is about 33440.0846888880. The cubic root of 1118239264 is about 1037.9543318897.

The spelling of 1118239264 in words is "one billion, one hundred eighteen million, two hundred thirty-nine thousand, two hundred sixty-four".