121624115 has 16 divisors (see below), whose sum is σ = 157550400. Its totient is φ = 89857152.

The previous prime is 121624091. The next prime is 121624117. The reversal of 121624115 is 511426121.

It is a cyclic number.

It is not a de Polignac number, because 121624115 - 2⁶ = 121624051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (121624117) 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, 14900 + ... + 21569.

It is an arithmetic number, because the mean of its divisors is an integer number (9846900).

Almost surely, 2^121624115 is an apocalyptic number.

121624115 is a deficient number, since it is larger than the sum of its proper divisors (35926285).

121624115 is a wasteful number, since it uses less digits than its factorization.

121624115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36526.

The product of its digits is 480, while the sum is 23.

The square root of 121624115 is about 11028.3323762027. The cubic root of 121624115 is about 495.4576796113.

The spelling of 121624115 in words is "one hundred twenty-one million, six hundred twenty-four thousand, one hundred fifteen".