1112257939 has 4 divisors (see below), whose sum is σ = 1197816256. Its totient is φ = 1026699624.

The previous prime is 1112257933. The next prime is 1112257981. The reversal of 1112257939 is 9397522111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112257939 - 2⁵ = 1112257907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112257933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42779139 + ... + 42779164.

It is an arithmetic number, because the mean of its divisors is an integer number (299454064).

Almost surely, 2^1112257939 is an apocalyptic number.

1112257939 is a deficient number, since it is larger than the sum of its proper divisors (85558317).

1112257939 is an equidigital number, since it uses as much as digits as its factorization.

1112257939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85558316.

The product of its digits is 34020, while the sum is 40.

The square root of 1112257939 is about 33350.5313151080. The cubic root of 1112257939 is about 1036.1003922108.

The spelling of 1112257939 in words is "one billion, one hundred twelve million, two hundred fifty-seven thousand, nine hundred thirty-nine".