113401272 has 64 divisors (see below), whose sum is σ = 299635200. Its totient is φ = 35665920.

The previous prime is 113401259. The next prime is 113401273. The reversal of 113401272 is 272104311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113401273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196248 + ... + 196824.

It is an arithmetic number, because the mean of its divisors is an integer number (4681800).

Almost surely, 2^113401272 is an apocalyptic number.

113401272 is a gapful number since it is divisible by the number (12) 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 113401272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149817600).

113401272 is an abundant number, since it is smaller than the sum of its proper divisors (186233928).

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

113401272 is a wasteful number, since it uses less digits than its factorization.

113401272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1032 counting only the distinct ones).

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

The square root of 113401272 is about 10649.0033336458. The cubic root of 113401272 is about 484.0304035724.

Adding to 113401272 its reverse (272104311), we get a palindrome (385505583).

The spelling of 113401272 in words is "one hundred thirteen million, four hundred one thousand, two hundred seventy-two".