1275371112 has 16 divisors (see below), whose sum is σ = 3188427840. Its totient is φ = 425123696.

The previous prime is 1275371107. The next prime is 1275371113. The reversal of 1275371112 is 2111735721.

It is a self number, because there is not a number n which added to its sum of digits gives 1275371112.

It is not an unprimeable number, because it can be changed into a prime (1275371113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26570208 + ... + 26570255.

It is an arithmetic number, because the mean of its divisors is an integer number (199276740).

Almost surely, 2^1275371112 is an apocalyptic number.

1275371112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275371112 is an abundant number, since it is smaller than the sum of its proper divisors (1913056728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275371112 is a wasteful number, since it uses less digits than its factorization.

1275371112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53140472 (or 53140468 counting only the distinct ones).

The product of its digits is 2940, while the sum is 30.

The square root of 1275371112 is about 35712.3383720529. The cubic root of 1275371112 is about 1084.4566391729.

The spelling of 1275371112 in words is "one billion, two hundred seventy-five million, three hundred seventy-one thousand, one hundred twelve".