1275140275 has 24 divisors (see below), whose sum is σ = 1640210000. Its totient is φ = 982679040.

The previous prime is 1275140261. The next prime is 1275140281. The reversal of 1275140275 is 5720415721.

It is not a de Polignac number, because 1275140275 - 2⁷ = 1275140147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275140275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70351 + ... + 86599.

Almost surely, 2^1275140275 is an apocalyptic number.

1275140275 is a deficient number, since it is larger than the sum of its proper divisors (365069725).

1275140275 is a wasteful number, since it uses less digits than its factorization.

1275140275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375 (or 16370 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1275140275 is about 35709.1063315788. The cubic root of 1275140275 is about 1084.3912078070.

Adding to 1275140275 its reverse (5720415721), we get a palindrome (6995555996).

The spelling of 1275140275 in words is "one billion, two hundred seventy-five million, one hundred forty thousand, two hundred seventy-five".