1255272170 has 16 divisors (see below), whose sum is σ = 2260850400. Its totient is φ = 501806544.

The previous prime is 1255272169. The next prime is 1255272199. The reversal of 1255272170 is 712725521.

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, 19952 + ... + 53931.

It is an arithmetic number, because the mean of its divisors is an integer number (141303150).

Almost surely, 2^1255272170 is an apocalyptic number.

1255272170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255272170 is a deficient number, since it is larger than the sum of its proper divisors (1005578230).

1255272170 is a wasteful number, since it uses less digits than its factorization.

1255272170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75589.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 1255272170 is about 35429.8203495304. The cubic root of 1255272170 is about 1078.7296935676.

Adding to 1255272170 its reverse (712725521), we get a palindrome (1967997691).

The spelling of 1255272170 in words is "one billion, two hundred fifty-five million, two hundred seventy-two thousand, one hundred seventy".