1255103125 has 24 divisors (see below), whose sum is σ = 1577664648. Its totient is φ = 998400000.

The previous prime is 1255103119. The next prime is 1255103137. The reversal of 1255103125 is 5213015521.

It can be written as a sum of positive squares in 12 ways, for example, as 1223810289 + 31292836 = 34983^2 + 5594^2 .

It is not a de Polignac number, because 1255103125 - 2³ = 1255103117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255103125.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 602085 + ... + 604165.

It is an arithmetic number, because the mean of its divisors is an integer number (65736027).

Almost surely, 2^1255103125 is an apocalyptic number.

It is an amenable number.

1255103125 is a deficient number, since it is larger than the sum of its proper divisors (322561523).

1255103125 is an frugal number, since it uses more digits than its factorization.

1255103125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1255103125 is about 35427.4346375800. The cubic root of 1255103125 is about 1078.6812679348.

Adding to 1255103125 its reverse (5213015521), we get a palindrome (6468118646).

The spelling of 1255103125 in words is "one billion, two hundred fifty-five million, one hundred three thousand, one hundred twenty-five".