1112491131 has 4 divisors (see below), whose sum is σ = 1483321512. Its totient is φ = 741660752.

The previous prime is 1112491123. The next prime is 1112491139. The reversal of 1112491131 is 1311942111.

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

It is an interprime number because it is at equal distance from previous prime (1112491123) and next prime (1112491139).

It is a cyclic number.

It is not a de Polignac number, because 1112491131 - 2³ = 1112491123 is a prime.

It is a super-2 number, since 2×1112491131² = 2475273033107318322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112491139) 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, 185415186 + ... + 185415191.

It is an arithmetic number, because the mean of its divisors is an integer number (370830378).

Almost surely, 2^1112491131 is an apocalyptic number.

1112491131 is a deficient number, since it is larger than the sum of its proper divisors (370830381).

1112491131 is an equidigital number, since it uses as much as digits as its factorization.

1112491131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370830380.

The product of its digits is 216, while the sum is 24.

The square root of 1112491131 is about 33354.0272081199. The cubic root of 1112491131 is about 1036.1727955119.

The spelling of 1112491131 in words is "one billion, one hundred twelve million, four hundred ninety-one thousand, one hundred thirty-one".