113221024 has 48 divisors (see below), whose sum is σ = 255830400. Its totient is φ = 48317184.

The previous prime is 113221013. The next prime is 113221027. The reversal of 113221024 is 420122311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 113220989 and 113221007.

It is not an unprimeable number, because it can be changed into a prime (113221027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59317 + ... + 61195.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2^113221024 is an apocalyptic number.

113221024 is a gapful number since it is divisible by the number (14) 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 113221024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127915200).

113221024 is an abundant number, since it is smaller than the sum of its proper divisors (142609376).

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

113221024 is a wasteful number, since it uses less digits than its factorization.

113221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113221024 is about 10640.5368285627. The cubic root of 113221024 is about 483.7738168627.

Adding to 113221024 its reverse (420122311), we get a palindrome (533343335).

The spelling of 113221024 in words is "one hundred thirteen million, two hundred twenty-one thousand, twenty-four".