113277520 has 60 divisors (see below), whose sum is σ = 269512884. Its totient is φ = 44277760.

The previous prime is 113277481. The next prime is 113277529. The reversal of 113277520 is 25772311.

It can be written as a sum of positive squares in 2 ways, for example, as 74787904 + 38489616 = 8648^2 + 6204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113277529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176400 + ... + 177040.

Almost surely, 2^113277520 is an apocalyptic number.

113277520 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 113277520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134756442).

113277520 is an abundant number, since it is smaller than the sum of its proper divisors (156235364).

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

113277520 is an equidigital number, since it uses as much as digits as its factorization.

113277520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 113277520 is about 10643.1912507481. The cubic root of 113277520 is about 483.8542693554.

The spelling of 113277520 in words is "one hundred thirteen million, two hundred seventy-seven thousand, five hundred twenty".