115091420 has 12 divisors (see below), whose sum is σ = 241692024. Its totient is φ = 46036560.

The previous prime is 115091407. The next prime is 115091429. The reversal of 115091420 is 24190511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115091429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877266 + ... + 2877305.

It is an arithmetic number, because the mean of its divisors is an integer number (20141002).

Almost surely, 2^115091420 is an apocalyptic number.

115091420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115091420 is an abundant number, since it is smaller than the sum of its proper divisors (126600604).

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

115091420 is a wasteful number, since it uses less digits than its factorization.

115091420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754580 (or 5754578 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 115091420 is about 10728.0669274572. The cubic root of 115091420 is about 486.4232399499.

Subtracting from 115091420 its reverse (24190511), we obtain a palindrome (90900909).

It can be divided in two parts, 115091 and 420, that added together give a palindrome (115511).

The spelling of 115091420 in words is "one hundred fifteen million, ninety-one thousand, four hundred twenty".