1275005375 has 16 divisors (see below), whose sum is σ = 1818523200. Its totient is φ = 874288800.

The previous prime is 1275005363. The next prime is 1275005419. The reversal of 1275005375 is 5735005721.

It is not a de Polignac number, because 1275005375 - 2⁸ = 1275005119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727700 + ... + 729449.

It is an arithmetic number, because the mean of its divisors is an integer number (113657700).

Almost surely, 2^1275005375 is an apocalyptic number.

1275005375 is a deficient number, since it is larger than the sum of its proper divisors (543517825).

1275005375 is an equidigital number, since it uses as much as digits as its factorization.

1275005375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457171 (or 1457161 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 1275005375 is about 35707.2174076894. The cubic root of 1275005375 is about 1084.3529663848.

The spelling of 1275005375 in words is "one billion, two hundred seventy-five million, five thousand, three hundred seventy-five".