121465257 has 8 divisors (see below), whose sum is σ = 162014784. Its totient is φ = 80946288.

The previous prime is 121465219. The next prime is 121465261. The reversal of 121465257 is 752564121.

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

It is not a de Polignac number, because 121465257 - 2⁶ = 121465193 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (121465217) 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, 4308 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (20251848).

Almost surely, 2^121465257 is an apocalyptic number.

It is an amenable number.

121465257 is a deficient number, since it is larger than the sum of its proper divisors (40549527).

121465257 is a wasteful number, since it uses less digits than its factorization.

121465257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15279.

The product of its digits is 16800, while the sum is 33.

The square root of 121465257 is about 11021.1277553615. The cubic root of 121465257 is about 495.2418734269.

The spelling of 121465257 in words is "one hundred twenty-one million, four hundred sixty-five thousand, two hundred fifty-seven".