1118439607 has 16 divisors (see below), whose sum is σ = 1246279680. Its totient is φ = 999583200.

The previous prime is 1118439563. The next prime is 1118439629. The reversal of 1118439607 is 7069348111.

It is a cyclic number.

It is not a de Polignac number, because 1118439607 - 2⁷ = 1118439479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118439607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118439667) 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 in 15 ways as a sum of consecutive naturals, for example, 6369 + ... + 47722.

It is an arithmetic number, because the mean of its divisors is an integer number (77892480).

Almost surely, 2^1118439607 is an apocalyptic number.

1118439607 is a deficient number, since it is larger than the sum of its proper divisors (127840073).

1118439607 is a wasteful number, since it uses less digits than its factorization.

1118439607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54174.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1118439607 is about 33443.0801063538. The cubic root of 1118439607 is about 1038.0163145899.

The spelling of 1118439607 in words is "one billion, one hundred eighteen million, four hundred thirty-nine thousand, six hundred seven".