115122620 has 12 divisors (see below), whose sum is σ = 241757544. Its totient is φ = 46049040.

The previous prime is 115122617. The next prime is 115122641. The reversal of 115122620 is 26221511.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5756131 = 115122620 / (1 + 1 + 5 + 1 + 2 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 115122592 and 115122601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878046 + ... + 2878085.

It is an arithmetic number, because the mean of its divisors is an integer number (20146462).

Almost surely, 2^115122620 is an apocalyptic number.

115122620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115122620 is an abundant number, since it is smaller than the sum of its proper divisors (126634924).

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

115122620 is a wasteful number, since it uses less digits than its factorization.

115122620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756140 (or 5756138 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 115122620 is about 10729.5209585517. The cubic root of 115122620 is about 486.4671906166.

The spelling of 115122620 in words is "one hundred fifteen million, one hundred twenty-two thousand, six hundred twenty".