115143120 has 120 divisors (see below), whose sum is σ = 401078496. Its totient is φ = 30699648.

The previous prime is 115143109. The next prime is 115143143. The reversal of 115143120 is 21341511.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 115143093 and 115143102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16479 + ... + 22401.

Almost surely, 2^115143120 is an apocalyptic number.

115143120 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 115143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200539248).

115143120 is an abundant number, since it is smaller than the sum of its proper divisors (285935376).

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

115143120 is an equidigital number, since it uses as much as digits as its factorization.

115143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 115143120 is about 10730.4762242875. The cubic root of 115143120 is about 486.4960641358.

Adding to 115143120 its reverse (21341511), we get a palindrome (136484631).

The spelling of 115143120 in words is "one hundred fifteen million, one hundred forty-three thousand, one hundred twenty".