121313095 has 4 divisors (see below), whose sum is σ = 145575720. Its totient is φ = 97050472.

The previous prime is 121313083. The next prime is 121313099. The reversal of 121313095 is 590313121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121313095 - 2¹⁷ = 121182023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12131305 + ... + 12131314.

It is an arithmetic number, because the mean of its divisors is an integer number (36393930).

Almost surely, 2^121313095 is an apocalyptic number.

121313095 is a deficient number, since it is larger than the sum of its proper divisors (24262625).

121313095 is an equidigital number, since it uses as much as digits as its factorization.

121313095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24262624.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 121313095 is about 11014.2223965199. Note that the first 3 decimals coincide. The cubic root of 121313095 is about 495.0349871539.

It can be divided in two parts, 12131 and 3095, that multiplied together give a triangular number (37545445 = T₈₆₆₅).

The spelling of 121313095 in words is "one hundred twenty-one million, three hundred thirteen thousand, ninety-five".