1270808125 has 20 divisors (see below), whose sum is σ = 1590262828. Its totient is φ = 1015200000.

The previous prime is 1270808113. The next prime is 1270808131. The reversal of 1270808125 is 5218080721.

It can be written as a sum of positive squares in 10 ways, for example, as 1264726969 + 6081156 = 35563^2 + 2466^2 .

It is not a de Polignac number, because 1270808125 - 2¹¹ = 1270806077 is a prime.

It is a super-2 number, since 2×1270808125² = 3229906581132031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 749779 + ... + 751471.

Almost surely, 2^1270808125 is an apocalyptic number.

It is an amenable number.

1270808125 is a deficient number, since it is larger than the sum of its proper divisors (319454703).

1270808125 is an equidigital number, since it uses as much as digits as its factorization.

1270808125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 1270808125 is about 35648.3958264604. The cubic root of 1270808125 is about 1083.1617808561.

Adding to 1270808125 its reverse (5218080721), we get a palindrome (6488888846).

The spelling of 1270808125 in words is "one billion, two hundred seventy million, eight hundred eight thousand, one hundred twenty-five".