121357465 has 16 divisors (see below), whose sum is σ = 153633600. Its totient is φ = 91772352.

The previous prime is 121357451. The next prime is 121357469. The reversal of 121357465 is 564753121.

It is a cyclic number.

It is not a de Polignac number, because 121357465 - 2⁵ = 121357433 is a prime.

It is a super-2 number, since 2×121357465² = 29455268622452450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121357465.

It is not an unprimeable number, because it can be changed into a prime (121357469) 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, 52351 + ... + 54619.

It is an arithmetic number, because the mean of its divisors is an integer number (9602100).

Almost surely, 2^121357465 is an apocalyptic number.

It is an amenable number.

121357465 is a deficient number, since it is larger than the sum of its proper divisors (32276135).

121357465 is a wasteful number, since it uses less digits than its factorization.

121357465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856.

The product of its digits is 25200, while the sum is 34.

The square root of 121357465 is about 11016.2364262937. The cubic root of 121357465 is about 495.0953324532.

It can be divided in two parts, 12135 and 7465, that added together give a square (19600 = 140²).

The spelling of 121357465 in words is "one hundred twenty-one million, three hundred fifty-seven thousand, four hundred sixty-five".