1118387706 has 16 divisors (see below), whose sum is σ = 2261908800. Its totient is φ = 368607008.

The previous prime is 1118387693. The next prime is 1118387717. The reversal of 1118387706 is 6077838111.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046646 + ... + 1047713.

It is an arithmetic number, because the mean of its divisors is an integer number (141369300).

Almost surely, 2^1118387706 is an apocalyptic number.

1118387706 is an abundant number, since it is smaller than the sum of its proper divisors (1143521094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118387706 is a wasteful number, since it uses less digits than its factorization.

1118387706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094453.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 1118387706 is about 33442.3041371255. The cubic root of 1118387706 is about 1038.0002580180. Note that the first 3 decimals are identical.

It can be divided in two parts, 11183 and 87706, that added together give a palindrome (98889).

The spelling of 1118387706 in words is "one billion, one hundred eighteen million, three hundred eighty-seven thousand, seven hundred six".