121215796 has 48 divisors (see below), whose sum is σ = 244024704. Its totient is φ = 52246656.

The previous prime is 121215793. The next prime is 121215799. The reversal of 121215796 is 697512121.

It is an interprime number because it is at equal distance from previous prime (121215793) and next prime (121215799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121215791) 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, 50250 + ... + 52606.

It is an arithmetic number, because the mean of its divisors is an integer number (5083848).

Almost surely, 2^121215796 is an apocalyptic number.

It is an amenable number.

121215796 is an abundant number, since it is smaller than the sum of its proper divisors (122808908).

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

121215796 is a wasteful number, since it uses less digits than its factorization.

121215796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2438 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 121215796 is about 11009.8045395911. The cubic root of 121215796 is about 494.9026043796.

The spelling of 121215796 in words is "one hundred twenty-one million, two hundred fifteen thousand, seven hundred ninety-six".