121871255 has 16 divisors (see below), whose sum is σ = 160444800. Its totient is φ = 88131360.

The previous prime is 121871231. The next prime is 121871341. The reversal of 121871255 is 552178121.

It is not a de Polignac number, because 121871255 - 2²⁴ = 105094039 is a prime.

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, 3656 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (10027800).

Almost surely, 2^121871255 is an apocalyptic number.

121871255 is a deficient number, since it is larger than the sum of its proper divisors (38573545).

121871255 is a wasteful number, since it uses less digits than its factorization.

121871255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12574.

The product of its digits is 5600, while the sum is 32.

The square root of 121871255 is about 11039.5314665071. The cubic root of 121871255 is about 495.7930422894.

The spelling of 121871255 in words is "one hundred twenty-one million, eight hundred seventy-one thousand, two hundred fifty-five".