121353497 has 16 divisors (see below), whose sum is σ = 135043200. Its totient is φ = 108463872.

The previous prime is 121353493. The next prime is 121353509. The reversal of 121353497 is 794353121.

It is a cyclic number.

It is not a de Polignac number, because 121353497 - 2² = 121353493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121353493) 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, 57218 + ... + 59300.

It is an arithmetic number, because the mean of its divisors is an integer number (8440200).

Almost surely, 2^121353497 is an apocalyptic number.

121353497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121353497 is a deficient number, since it is larger than the sum of its proper divisors (13689703).

121353497 is a wasteful number, since it uses less digits than its factorization.

121353497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272.

The product of its digits is 22680, while the sum is 35.

The square root of 121353497 is about 11016.0563270165. The cubic root of 121353497 is about 495.0899363844.

The spelling of 121353497 in words is "one hundred twenty-one million, three hundred fifty-three thousand, four hundred ninety-seven".