113021400 has 48 divisors (see below), whose sum is σ = 350368200. Its totient is φ = 30138880.

The previous prime is 113021383. The next prime is 113021401. The reversal of 113021400 is 4120311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021401) 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, 93585 + ... + 94784.

Almost surely, 2^113021400 is an apocalyptic number.

113021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113021400 is an abundant number, since it is smaller than the sum of its proper divisors (237346800).

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

113021400 is a wasteful number, since it uses less digits than its factorization.

113021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188388 (or 188379 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 113021400 is about 10631.1523364121. The cubic root of 113021400 is about 483.4893300137.

Adding to 113021400 its reverse (4120311), we get a palindrome (117141711).

The spelling of 113021400 in words is "one hundred thirteen million, twenty-one thousand, four hundred".