115424020 has 24 divisors (see below), whose sum is σ = 248304168. Its totient is φ = 45043200.

The previous prime is 115423951. The next prime is 115424027. The reversal of 115424020 is 20424511.

It can be written as a sum of positive squares in 4 ways, for example, as 8549776 + 106874244 = 2924^2 + 10338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115424027) 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 7 ways as a sum of consecutive naturals, for example, 69561 + ... + 71200.

It is an arithmetic number, because the mean of its divisors is an integer number (10346007).

Almost surely, 2^115424020 is an apocalyptic number.

115424020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115424020 is an abundant number, since it is smaller than the sum of its proper divisors (132880148).

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

115424020 is a wasteful number, since it uses less digits than its factorization.

115424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140811 (or 140809 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 115424020 is about 10743.5571390485. The cubic root of 115424020 is about 486.8913570164.

Adding to 115424020 its reverse (20424511), we get a palindrome (135848531).

The spelling of 115424020 in words is "one hundred fifteen million, four hundred twenty-four thousand, twenty".