121885255 has 8 divisors (see below), whose sum is σ = 146340432. Its totient is φ = 97456128.

The previous prime is 121885249. The next prime is 121885271. The reversal of 121885255 is 552588121.

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 121885255 - 2⁹ = 121884743 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 5959 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (18292554).

Almost surely, 2^121885255 is an apocalyptic number.

121885255 is a deficient number, since it is larger than the sum of its proper divisors (24455177).

121885255 is a wasteful number, since it uses less digits than its factorization.

121885255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its digits is 32000, while the sum is 37.

The square root of 121885255 is about 11040.1655331793. The cubic root of 121885255 is about 495.8120263581.

The spelling of 121885255 in words is "one hundred twenty-one million, eight hundred eighty-five thousand, two hundred fifty-five".