121361375 has 16 divisors (see below), whose sum is σ = 156686400. Its totient is φ = 93738400.

The previous prime is 121361347. The next prime is 121361381. The reversal of 121361375 is 573163121.

It is not a de Polignac number, because 121361375 - 2¹⁴ = 121344991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 13115 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (9792900).

Almost surely, 2^121361375 is an apocalyptic number.

121361375 is a deficient number, since it is larger than the sum of its proper divisors (35325025).

121361375 is an equidigital number, since it uses as much as digits as its factorization.

121361375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33523 (or 33513 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 121361375 is about 11016.4138901913. The cubic root of 121361375 is about 495.1006495330.

The spelling of 121361375 in words is "one hundred twenty-one million, three hundred sixty-one thousand, three hundred seventy-five".