255121051 has 8 divisors (see below), whose sum is σ = 258019200. Its totient is φ = 252230400.

The previous prime is 255121049. The next prime is 255121067. The reversal of 255121051 is 150121552.

It is a happy number.

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 255121051 - 2¹ = 255121049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255121651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 92470 + ... + 95188.

It is an arithmetic number, because the mean of its divisors is an integer number (32252400).

Almost surely, 2^255121051 is an apocalyptic number.

255121051 is a deficient number, since it is larger than the sum of its proper divisors (2898149).

255121051 is a wasteful number, since it uses less digits than its factorization.

255121051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 255121051 is about 15972.5092267934. The cubic root of 255121051 is about 634.2328976475.

The spelling of 255121051 in words is "two hundred fifty-five million, one hundred twenty-one thousand, fifty-one".