121352255 has 16 divisors (see below), whose sum is σ = 152340480. Its totient is φ = 92624928.

The previous prime is 121352249. The next prime is 121352263. The reversal of 121352255 is 552253121.

It is a Cunningham number, because it is equal to 11016²-1.

It is a cyclic number.

It is not a de Polignac number, because 121352255 - 2⁸ = 121351999 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53984 + ... + 56186.

It is an arithmetic number, because the mean of its divisors is an integer number (9521280).

Almost surely, 2^121352255 is an apocalyptic number.

121352255 is a deficient number, since it is larger than the sum of its proper divisors (30988225).

121352255 is a wasteful number, since it uses less digits than its factorization.

121352255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its digits is 3000, while the sum is 26.

The square root of 121352255 is about 11015.9999546115. Note that the first 4 decimals coincide. The cubic root of 121352255 is about 495.0882473689.

The spelling of 121352255 in words is "one hundred twenty-one million, three hundred fifty-two thousand, two hundred fifty-five".