121250365 has 16 divisors (see below), whose sum is σ = 155063808. Its totient is φ = 90804736.

The previous prime is 121250359. The next prime is 121250387. The reversal of 121250365 is 563052121.

It is not a de Polignac number, because 121250365 - 2³ = 121250357 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5812 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (9691488).

Almost surely, 2^121250365 is an apocalyptic number.

It is an amenable number.

121250365 is a deficient number, since it is larger than the sum of its proper divisors (33813443).

121250365 is a wasteful number, since it uses less digits than its factorization.

121250365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22508.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 121250365 is about 11011.3743465564. The cubic root of 121250365 is about 494.9496462741.

The spelling of 121250365 in words is "one hundred twenty-one million, two hundred fifty thousand, three hundred sixty-five".