121115008 has 32 divisors (see below), whose sum is σ = 275754960. Its totient is φ = 51906048.

The previous prime is 121115003. The next prime is 121115041. The reversal of 121115008 is 800511121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121115003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66691 + ... + 68482.

Almost surely, 2^121115008 is an apocalyptic number.

It is an amenable number.

121115008 is an abundant number, since it is smaller than the sum of its proper divisors (154639952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121115008 is an equidigital number, since it uses as much as digits as its factorization.

121115008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135194 (or 135182 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 121115008 is about 11005.2263947635. The cubic root of 121115008 is about 494.7653998335.

Adding to 121115008 its reverse (800511121), we get a palindrome (921626129).

The spelling of 121115008 in words is "one hundred twenty-one million, one hundred fifteen thousand, eight".