115121300 has 144 divisors (see below), whose sum is σ = 303730560. Its totient is φ = 37040640.

The previous prime is 115121269. The next prime is 115121311. The reversal of 115121300 is 3121511.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1075847 + ... + 1075953.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^115121300 is an apocalyptic number.

115121300 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 115121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151865280).

115121300 is an abundant number, since it is smaller than the sum of its proper divisors (188609260).

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

115121300 is a wasteful number, since it uses less digits than its factorization.

115121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115121300 is about 10729.4594458435. The cubic root of 115121300 is about 486.4653313262.

Adding to 115121300 its reverse (3121511), we get a palindrome (118242811).

The spelling of 115121300 in words is "one hundred fifteen million, one hundred twenty-one thousand, three hundred".