121671255 has 8 divisors (see below), whose sum is σ = 194674032. Its totient is φ = 64891328.

The previous prime is 121671247. The next prime is 121671289. The reversal of 121671255 is 552176121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121671255 - 2³ = 121671247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055694 + ... + 4055723.

It is an arithmetic number, because the mean of its divisors is an integer number (24334254).

Almost surely, 2^121671255 is an apocalyptic number.

121671255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121671255 is a deficient number, since it is larger than the sum of its proper divisors (73002777).

121671255 is an equidigital number, since it uses as much as digits as its factorization.

121671255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111425.

The product of its digits is 4200, while the sum is 30.

The square root of 121671255 is about 11030.4693916442. The cubic root of 121671255 is about 495.5216824290.

The spelling of 121671255 in words is "one hundred twenty-one million, six hundred seventy-one thousand, two hundred fifty-five".