1112356491 has 4 divisors (see below), whose sum is σ = 1483141992. Its totient is φ = 741570992.

The previous prime is 1112356471. The next prime is 1112356507. The reversal of 1112356491 is 1946532111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1946532111 = 3 ⋅648844037.

It is a cyclic number.

It is not a de Polignac number, because 1112356491 - 2⁵ = 1112356459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112356471) 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, 185392746 + ... + 185392751.

It is an arithmetic number, because the mean of its divisors is an integer number (370785498).

Almost surely, 2^1112356491 is an apocalyptic number.

1112356491 is a deficient number, since it is larger than the sum of its proper divisors (370785501).

1112356491 is an equidigital number, since it uses as much as digits as its factorization.

1112356491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370785500.

The product of its digits is 6480, while the sum is 33.

The square root of 1112356491 is about 33352.0088000708. The cubic root of 1112356491 is about 1036.1309926517.

The spelling of 1112356491 in words is "one billion, one hundred twelve million, three hundred fifty-six thousand, four hundred ninety-one".