255164122 has 8 divisors (see below), whose sum is σ = 383585076. Its totient is φ = 127302432.

The previous prime is 255164113. The next prime is 255164153. The reversal of 255164122 is 221461552.

It can be written as a sum of positive squares in 2 ways, for example, as 191020041 + 64144081 = 13821^2 + 8009^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138673 + ... + 140500.

Almost surely, 2^255164122 is an apocalyptic number.

255164122 is a deficient number, since it is larger than the sum of its proper divisors (128420954).

255164122 is a wasteful number, since it uses less digits than its factorization.

255164122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279632.

The product of its digits is 4800, while the sum is 28.

The square root of 255164122 is about 15973.8574552298. The cubic root of 255164122 is about 634.2685872517.

The spelling of 255164122 in words is "two hundred fifty-five million, one hundred sixty-four thousand, one hundred twenty-two".