115081420 has 48 divisors (see below), whose sum is σ = 254778048. Its totient is φ = 43577600.

The previous prime is 115081339. The next prime is 115081451. The reversal of 115081420 is 24180511.

It is a junction number, because it is equal to n+sod(n) for n = 115081391 and 115081400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45222 + ... + 47698.

It is an arithmetic number, because the mean of its divisors is an integer number (5307876).

Almost surely, 2^115081420 is an apocalyptic number.

115081420 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 115081420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127389024).

115081420 is an abundant number, since it is smaller than the sum of its proper divisors (139696628).

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

115081420 is a wasteful number, since it uses less digits than its factorization.

115081420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 115081420 is about 10727.6008501435. The cubic root of 115081420 is about 486.4091515169.

Subtracting from 115081420 its reverse (24180511), we obtain a palindrome (90900909).

The spelling of 115081420 in words is "one hundred fifteen million, eighty-one thousand, four hundred twenty".