1112408639 has 16 divisors (see below), whose sum is σ = 1176367104. Its totient is φ = 1049848800.

The previous prime is 1112408629. The next prime is 1112408641. The reversal of 1112408639 is 9368042111.

It is not a de Polignac number, because 1112408639 - 2⁴ = 1112408623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112408599 and 1112408608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112408629) 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, 574517 + ... + 576449.

It is an arithmetic number, because the mean of its divisors is an integer number (73522944).

Almost surely, 2^1112408639 is an apocalyptic number.

1112408639 is a deficient number, since it is larger than the sum of its proper divisors (63958465).

1112408639 is a wasteful number, since it uses less digits than its factorization.

1112408639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1112408639 is about 33352.7905729041. The cubic root of 1112408639 is about 1036.1471838983.

The spelling of 1112408639 in words is "one billion, one hundred twelve million, four hundred eight thousand, six hundred thirty-nine".