1255534125 has 32 divisors (see below), whose sum is σ = 2112739200. Its totient is φ = 662076800.

The previous prime is 1255534121. The next prime is 1255534127. The reversal of 1255534125 is 5214355521.

It is not a de Polignac number, because 1255534125 - 2² = 1255534121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255534121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14566 + ... + 52184.

It is an arithmetic number, because the mean of its divisors is an integer number (66023100).

Almost surely, 2^1255534125 is an apocalyptic number.

1255534125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255534125 is a deficient number, since it is larger than the sum of its proper divisors (857205075).

1255534125 is an equidigital number, since it uses as much as digits as its factorization.

1255534125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37726 (or 37716 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 1255534125 is about 35433.5169719293. The cubic root of 1255534125 is about 1078.8047261620.

Adding to 1255534125 its reverse (5214355521), we get a palindrome (6469889646).

The spelling of 1255534125 in words is "one billion, two hundred fifty-five million, five hundred thirty-four thousand, one hundred twenty-five".