115421200 has 60 divisors (see below), whose sum is σ = 291913360. Its totient is φ = 43735680.

The previous prime is 115421183. The next prime is 115421203. The reversal of 115421200 is 2124511.

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

It is not an unprimeable number, because it can be changed into a prime (115421203) 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, 7 + ... + 15193.

Almost surely, 2^115421200 is an apocalyptic number.

115421200 is a gapful number since it is divisible by the number (10) 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 115421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145956680).

115421200 is an abundant number, since it is smaller than the sum of its proper divisors (176492160).

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

115421200 is a wasteful number, since it uses less digits than its factorization.

115421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15224 (or 15213 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 115421200 is about 10743.4258967985. The cubic root of 115421200 is about 486.8873917967.

Adding to 115421200 its reverse (2124511), we get a palindrome (117545711).

The spelling of 115421200 in words is "one hundred fifteen million, four hundred twenty-one thousand, two hundred".