113421400 has 24 divisors (see below), whose sum is σ = 263705220. Its totient is φ = 45368480.

The previous prime is 113421397. The next prime is 113421403. The reversal of 113421400 is 4124311.

It is an interprime number because it is at equal distance from previous prime (113421397) and next prime (113421403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113421403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283354 + ... + 283753.

Almost surely, 2^113421400 is an apocalyptic number.

113421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113421400 is an abundant number, since it is smaller than the sum of its proper divisors (150283820).

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

113421400 is a wasteful number, since it uses less digits than its factorization.

113421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567123 (or 567114 counting only the distinct ones).

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

The square root of 113421400 is about 10649.9483566823. The cubic root of 113421400 is about 484.0590393112.

Adding to 113421400 its reverse (4124311), we get a palindrome (117545711).

The spelling of 113421400 in words is "one hundred thirteen million, four hundred twenty-one thousand, four hundred".