1118165242 has 16 divisors (see below), whose sum is σ = 1780359912. Its totient is φ = 524876800.

The previous prime is 1118165239. The next prime is 1118165261. The reversal of 1118165242 is 2425618111.

It can be written as a sum of positive squares in 4 ways, for example, as 1025216361 + 92948881 = 32019^2 + 9641^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27373 + ... + 54640.

Almost surely, 2^1118165242 is an apocalyptic number.

1118165242 is a deficient number, since it is larger than the sum of its proper divisors (662194670).

1118165242 is a wasteful number, since it uses less digits than its factorization.

1118165242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82433.

The product of its digits is 3840, while the sum is 31.

The square root of 1118165242 is about 33438.9778850969. The cubic root of 1118165242 is about 1037.9314288750.

The spelling of 1118165242 in words is "one billion, one hundred eighteen million, one hundred sixty-five thousand, two hundred forty-two".