121497513 has 8 divisors (see below), whose sum is σ = 162047808. Its totient is φ = 80972784.

The previous prime is 121497511. The next prime is 121497527. The reversal of 121497513 is 315794121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121497513 - 2¹ = 121497511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121497511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13956 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (20255976).

Almost surely, 2^121497513 is an apocalyptic number.

It is an amenable number.

121497513 is a deficient number, since it is larger than the sum of its proper divisors (40550295).

121497513 is an equidigital number, since it uses as much as digits as its factorization.

121497513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783.

The product of its digits is 7560, while the sum is 33.

The square root of 121497513 is about 11022.5910293361. The cubic root of 121497513 is about 495.2857079313.

The spelling of 121497513 in words is "one hundred twenty-one million, four hundred ninety-seven thousand, five hundred thirteen".