113255720 has 16 divisors (see below), whose sum is σ = 254825460. Its totient is φ = 45302272.

The previous prime is 113255699. The next prime is 113255729. The reversal of 113255720 is 27552311.

It can be written as a sum of positive squares in 2 ways, for example, as 98525476 + 14730244 = 9926^2 + 3838^2 .

It is a super-2 number, since 2×113255720² = 25653716225436800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113255720.

It is not an unprimeable number, because it can be changed into a prime (113255729) 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, 1415657 + ... + 1415736.

Almost surely, 2^113255720 is an apocalyptic number.

113255720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113255720 is an abundant number, since it is smaller than the sum of its proper divisors (141569740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113255720 is a wasteful number, since it uses less digits than its factorization.

113255720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831404 (or 2831400 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 113255720 is about 10642.1670725468. The cubic root of 113255720 is about 483.8232284811.

The spelling of 113255720 in words is "one hundred thirteen million, two hundred fifty-five thousand, seven hundred twenty".