121497116 has 24 divisors (see below), whose sum is σ = 232735104. Its totient is φ = 55154880.

The previous prime is 121497097. The next prime is 121497139. The reversal of 121497116 is 611794121.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 15980 + ... + 22323.

It is an arithmetic number, because the mean of its divisors is an integer number (9697296).

Almost surely, 2^121497116 is an apocalyptic number.

It is an amenable number.

121497116 is a deficient number, since it is larger than the sum of its proper divisors (111237988).

121497116 is a wasteful number, since it uses less digits than its factorization.

121497116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38381 (or 38379 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 121497116 is about 11022.5730208513. The cubic root of 121497116 is about 495.2851684727.

The spelling of 121497116 in words is "one hundred twenty-one million, four hundred ninety-seven thousand, one hundred sixteen".