115020400 has 60 divisors (see below), whose sum is σ = 301469544. Its totient is φ = 41824000.

The previous prime is 115020377. The next prime is 115020403. The reversal of 115020400 is 4020511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8671 + ... + 17470.

Almost surely, 2^115020400 is an apocalyptic number.

115020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115020400 is an abundant number, since it is smaller than the sum of its proper divisors (186449144).

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

115020400 is a wasteful number, since it uses less digits than its factorization.

115020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26170 (or 26159 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 115020400 is about 10724.7564074901. The cubic root of 115020400 is about 486.3231662094.

Adding to 115020400 its reverse (4020511), we get a palindrome (119040911).

The spelling of 115020400 in words is "one hundred fifteen million, twenty thousand, four hundred".