1112661231 has 32 divisors (see below), whose sum is σ = 1645056000. Its totient is φ = 663314400.

The previous prime is 1112661229. The next prime is 1112661233. The reversal of 1112661231 is 1321662111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112661229) and next prime (1112661233).

It is not a de Polignac number, because 1112661231 - 2¹ = 1112661229 is a prime.

It is a super-2 number, since 2×1112661231² = 2476030029940870722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112661233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741520 + ... + 743018.

It is an arithmetic number, because the mean of its divisors is an integer number (51408000).

Almost surely, 2^1112661231 is an apocalyptic number.

1112661231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112661231 is a deficient number, since it is larger than the sum of its proper divisors (532394769).

1112661231 is a wasteful number, since it uses less digits than its factorization.

1112661231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its digits is 432, while the sum is 24.

The square root of 1112661231 is about 33356.5770276268. The cubic root of 1112661231 is about 1036.2256031270.

The spelling of 1112661231 in words is "one billion, one hundred twelve million, six hundred sixty-one thousand, two hundred thirty-one".