1275856748 has 6 divisors (see below), whose sum is σ = 2232749316. Its totient is φ = 637928372.

The previous prime is 1275856733. The next prime is 1275856763. The reversal of 1275856748 is 8476585721.

It is an interprime number because it is at equal distance from previous prime (1275856733) and next prime (1275856763).

It is a self number, because there is not a number n which added to its sum of digits gives 1275856748.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159482090 + ... + 159482097.

It is an arithmetic number, because the mean of its divisors is an integer number (372124886).

Almost surely, 2^1275856748 is an apocalyptic number.

It is an amenable number.

1275856748 is a deficient number, since it is larger than the sum of its proper divisors (956892568).

1275856748 is a wasteful number, since it uses less digits than its factorization.

1275856748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318964191 (or 318964189 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The square root of 1275856748 is about 35719.1369996533. The cubic root of 1275856748 is about 1084.5942682252.

The spelling of 1275856748 in words is "one billion, two hundred seventy-five million, eight hundred fifty-six thousand, seven hundred forty-eight".