255017122 has 8 divisors (see below), whose sum is σ = 386313372. Its totient is φ = 126246000.

The previous prime is 255017117. The next prime is 255017131. The reversal of 255017122 is 221710552.

It can be written as a sum of positive squares in 2 ways, for example, as 252523881 + 2493241 = 15891^2 + 1579^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631029 + ... + 631432.

Almost surely, 2^255017122 is an apocalyptic number.

255017122 is a deficient number, since it is larger than the sum of its proper divisors (131296250).

255017122 is a wasteful number, since it uses less digits than its factorization.

255017122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262564.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 255017122 is about 15969.2555242879. The cubic root of 255017122 is about 634.1467631854.

Adding to 255017122 its reverse (221710552), we get a palindrome (476727674).

It can be divided in two parts, 25501 and 7122, that added together give a palindrome (32623).

The spelling of 255017122 in words is "two hundred fifty-five million, seventeen thousand, one hundred twenty-two".