112991764 has 24 divisors (see below), whose sum is σ = 201577376. Its totient is φ = 55404000.

The previous prime is 112991761. The next prime is 112991833. The reversal of 112991764 is 467199211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112991761) 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 7 ways as a sum of consecutive naturals, for example, 138919 + ... + 139729.

Almost surely, 2^112991764 is an apocalyptic number.

It is an amenable number.

112991764 is a deficient number, since it is larger than the sum of its proper divisors (88585612).

112991764 is a wasteful number, since it uses less digits than its factorization.

112991764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1445 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 112991764 is about 10629.7584168221. The cubic root of 112991764 is about 483.4470668011.

The spelling of 112991764 in words is "one hundred twelve million, nine hundred ninety-one thousand, seven hundred sixty-four".