113022072 has 48 divisors (see below), whose sum is σ = 309276240. Its totient is φ = 37283328.

The previous prime is 113022071. The next prime is 113022073. The reversal of 113022072 is 270220311.

It is an interprime number because it is at equal distance from previous prime (113022071) and next prime (113022073).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113022071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108 + ... + 15075.

It is an arithmetic number, because the mean of its divisors is an integer number (6443255).

Almost surely, 2^113022072 is an apocalyptic number.

113022072 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 113022072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154638120).

113022072 is an abundant number, since it is smaller than the sum of its proper divisors (196254168).

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

113022072 is a wasteful number, since it uses less digits than its factorization.

113022072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292 (or 16285 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 113022072 is about 10631.1839415937. The cubic root of 113022072 is about 483.4902882516.

Adding to 113022072 its reverse (270220311), we get a palindrome (383242383).

The spelling of 113022072 in words is "one hundred thirteen million, twenty-two thousand, seventy-two".