121426115 has 4 divisors (see below), whose sum is σ = 145711344. Its totient is φ = 97140888.

The previous prime is 121426073. The next prime is 121426141. The reversal of 121426115 is 511624121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121426115 - 2⁸ = 121425859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12142607 + ... + 12142616.

It is an arithmetic number, because the mean of its divisors is an integer number (36427836).

Almost surely, 2^121426115 is an apocalyptic number.

121426115 is a deficient number, since it is larger than the sum of its proper divisors (24285229).

121426115 is an equidigital number, since it uses as much as digits as its factorization.

121426115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24285228.

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

The square root of 121426115 is about 11019.3518411928. The cubic root of 121426115 is about 495.1886707238.

The spelling of 121426115 in words is "one hundred twenty-one million, four hundred twenty-six thousand, one hundred fifteen".