121265115 has 8 divisors (see below), whose sum is σ = 194024208. Its totient is φ = 64674720.

The previous prime is 121265101. The next prime is 121265141. The reversal of 121265115 is 511562121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121265115 - 2⁴ = 121265099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4042156 + ... + 4042185.

It is an arithmetic number, because the mean of its divisors is an integer number (24253026).

Almost surely, 2^121265115 is an apocalyptic number.

121265115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121265115 is a deficient number, since it is larger than the sum of its proper divisors (72759093).

121265115 is an equidigital number, since it uses as much as digits as its factorization.

121265115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084349.

The product of its digits is 600, while the sum is 24.

The square root of 121265115 is about 11012.0440881791. The cubic root of 121265115 is about 494.9697155230.

The spelling of 121265115 in words is "one hundred twenty-one million, two hundred sixty-five thousand, one hundred fifteen".