1118948872 has 16 divisors (see below), whose sum is σ = 2099591100. Its totient is φ = 559057920.

The previous prime is 1118948863. The next prime is 1118948927. The reversal of 1118948872 is 2788498111.

It can be written as a sum of positive squares in 2 ways, for example, as 1094683396 + 24265476 = 33086^2 + 4926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40497 + ... + 62272.

Almost surely, 2^1118948872 is an apocalyptic number.

It is an amenable number.

1118948872 is a deficient number, since it is larger than the sum of its proper divisors (980642228).

1118948872 is a wasteful number, since it uses less digits than its factorization.

1118948872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104136 (or 104132 counting only the distinct ones).

The product of its digits is 258048, while the sum is 49.

The square root of 1118948872 is about 33450.6931467795. The cubic root of 1118948872 is about 1038.1738391630.

The spelling of 1118948872 in words is "one billion, one hundred eighteen million, nine hundred forty-eight thousand, eight hundred seventy-two".