121152115 has 16 divisors (see below), whose sum is σ = 175925952. Its totient is φ = 78188544.

The previous prime is 121152103. The next prime is 121152133. The reversal of 121152115 is 511251121.

It is not a de Polignac number, because 121152115 - 2²¹ = 119054963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121152092 and 121152101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101214 + ... + 102403.

It is an arithmetic number, because the mean of its divisors is an integer number (10995372).

Almost surely, 2^121152115 is an apocalyptic number.

121152115 is a deficient number, since it is larger than the sum of its proper divisors (54773837).

121152115 is a wasteful number, since it uses less digits than its factorization.

121152115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203646.

The product of its digits is 100, while the sum is 19.

The square root of 121152115 is about 11006.9121464651. The cubic root of 121152115 is about 494.8159231208.

The spelling of 121152115 in words is "one hundred twenty-one million, one hundred fifty-two thousand, one hundred fifteen".