121626365 has 32 divisors (see below), whose sum is σ = 172191744. Its totient is φ = 80746560.

The previous prime is 121626341. The next prime is 121626367. The reversal of 121626365 is 563626121.

It is not a de Polignac number, because 121626365 - 2¹⁴ = 121609981 is a prime.

It is a super-2 number, since 2×121626365² = 29585945326226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121626367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175670 + ... + 176360.

It is an arithmetic number, because the mean of its divisors is an integer number (5380992).

Almost surely, 2^121626365 is an apocalyptic number.

It is an amenable number.

121626365 is a deficient number, since it is larger than the sum of its proper divisors (50565379).

121626365 is a wasteful number, since it uses less digits than its factorization.

121626365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its digits is 12960, while the sum is 32.

The square root of 121626365 is about 11028.4343857140. The cubic root of 121626365 is about 495.4607348521.

The spelling of 121626365 in words is "one hundred twenty-one million, six hundred twenty-six thousand, three hundred sixty-five".