1275471012 has 12 divisors (see below), whose sum is σ = 2976099056. Its totient is φ = 425157000.

The previous prime is 1275470947. The next prime is 1275471047. The reversal of 1275471012 is 2101745721.

It is a tau number, because it is divible by the number of its divisors (12).

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, 53144614 + ... + 53144637.

Almost surely, 2^1275471012 is an apocalyptic number.

1275471012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275471012 is an abundant number, since it is smaller than the sum of its proper divisors (1700628044).

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

1275471012 is a wasteful number, since it uses less digits than its factorization.

1275471012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106289258 (or 106289256 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1275471012 is about 35713.7370209280. The cubic root of 1275471012 is about 1084.4849536477.

The spelling of 1275471012 in words is "one billion, two hundred seventy-five million, four hundred seventy-one thousand, twelve".