1275748112 has 20 divisors (see below), whose sum is σ = 2495762880. Its totient is φ = 631680288.

The previous prime is 1275748063. The next prime is 1275748127. The reversal of 1275748112 is 2118475721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385412 + ... + 388707.

It is an arithmetic number, because the mean of its divisors is an integer number (124788144).

Almost surely, 2^1275748112 is an apocalyptic number.

It is an amenable number.

1275748112 is a deficient number, since it is larger than the sum of its proper divisors (1220014768).

1275748112 is a wasteful number, since it uses less digits than its factorization.

1275748112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774230 (or 774224 counting only the distinct ones).

The product of its digits is 31360, while the sum is 38.

The square root of 1275748112 is about 35717.6162698465. The cubic root of 1275748112 is about 1084.5634838582.

The spelling of 1275748112 in words is "one billion, two hundred seventy-five million, seven hundred forty-eight thousand, one hundred twelve".