112720810 has 16 divisors (see below), whose sum is σ = 203144616. Its totient is φ = 45033408.

The previous prime is 112720753. The next prime is 112720823. The reversal of 112720810 is 18027211.

It can be written as a sum of positive squares in 4 ways, for example, as 94887081 + 17833729 = 9741^2 + 4223^2 .

It is a super-2 number, since 2×112720810² = 25411962014112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2344 + ... + 15196.

Almost surely, 2^112720810 is an apocalyptic number.

112720810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112720810 is a deficient number, since it is larger than the sum of its proper divisors (90423806).

112720810 is a wasteful number, since it uses less digits than its factorization.

112720810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13737.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 112720810 is about 10617.0056984067. The cubic root of 112720810 is about 483.0603225001.

The spelling of 112720810 in words is "one hundred twelve million, seven hundred twenty thousand, eight hundred ten".