1255122253 has 32 divisors (see below), whose sum is σ = 1590220800. Its totient is φ = 962280000.

The previous prime is 1255122221. The next prime is 1255122289. The reversal of 1255122253 is 3522215521.

It is not a de Polignac number, because 1255122253 - 2⁵ = 1255122221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255122853) 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 31 ways as a sum of consecutive naturals, for example, 1547218 + ... + 1548028.

It is an arithmetic number, because the mean of its divisors is an integer number (49694400).

Almost surely, 2^1255122253 is an apocalyptic number.

It is an amenable number.

1255122253 is a deficient number, since it is larger than the sum of its proper divisors (335098547).

1255122253 is a wasteful number, since it uses less digits than its factorization.

1255122253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its digits is 6000, while the sum is 28.

The square root of 1255122253 is about 35427.7045968265. The cubic root of 1255122253 is about 1078.6867476733.

Adding to 1255122253 its reverse (3522215521), we get a palindrome (4777337774).

It can be divided in two parts, 125512 and 2253, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 1255122253 in words is "one billion, two hundred fifty-five million, one hundred twenty-two thousand, two hundred fifty-three".