115020621 has 16 divisors (see below), whose sum is σ = 174558720. Its totient is φ = 74809440.

The previous prime is 115020599. The next prime is 115020629. The reversal of 115020621 is 126020511.

It is not a de Polignac number, because 115020621 - 2⁶ = 115020557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115020594 and 115020603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115020629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50845 + ... + 53058.

It is an arithmetic number, because the mean of its divisors is an integer number (10909920).

Almost surely, 2^115020621 is an apocalyptic number.

It is an amenable number.

115020621 is a deficient number, since it is larger than the sum of its proper divisors (59538099).

115020621 is a wasteful number, since it uses less digits than its factorization.

115020621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103953 (or 103947 counting only the distinct ones).

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

The square root of 115020621 is about 10724.7667107495. The cubic root of 115020621 is about 486.3234776827.

The spelling of 115020621 in words is "one hundred fifteen million, twenty thousand, six hundred twenty-one".