115601620 has 24 divisors (see below), whose sum is σ = 243026784. Its totient is φ = 46190496.

The previous prime is 115601617. The next prime is 115601621. The reversal of 115601620 is 26106511.

It is a junction number, because it is equal to n+sod(n) for n = 115601591 and 115601600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115601621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19887 + ... + 25033.

It is an arithmetic number, because the mean of its divisors is an integer number (10126116).

Almost surely, 2^115601620 is an apocalyptic number.

115601620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115601620 is an abundant number, since it is smaller than the sum of its proper divisors (127425164).

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

115601620 is a wasteful number, since it uses less digits than its factorization.

115601620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6277 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 115601620 is about 10751.8193809234. The cubic root of 115601620 is about 487.1409514889.

The spelling of 115601620 in words is "one hundred fifteen million, six hundred one thousand, six hundred twenty".