113172240 has 160 divisors (see below), whose sum is σ = 365690880. Its totient is φ = 28933632.

The previous prime is 113172229. The next prime is 113172253. The reversal of 113172240 is 42271311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891057 + ... + 891183.

It is an arithmetic number, because the mean of its divisors is an integer number (2285568).

Almost surely, 2^113172240 is an apocalyptic number.

113172240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113172240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182845440).

113172240 is an abundant number, since it is smaller than the sum of its proper divisors (252518640).

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

113172240 is a wasteful number, since it uses less digits than its factorization.

113172240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 113172240 is about 10638.2442160349. The cubic root of 113172240 is about 483.7043250214.

The spelling of 113172240 in words is "one hundred thirteen million, one hundred seventy-two thousand, two hundred forty".