1275506412 has 12 divisors (see below), whose sum is σ = 2976181656. Its totient is φ = 425168800.

The previous prime is 1275506389. The next prime is 1275506431. The reversal of 1275506412 is 2146055721.

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

It is a super-2 number, since 2×1275506412² = 3253833214106227488, which contains 22 as substring.

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, 53146089 + ... + 53146112.

It is an arithmetic number, because the mean of its divisors is an integer number (248015138).

Almost surely, 2^1275506412 is an apocalyptic number.

1275506412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275506412 is an abundant number, since it is smaller than the sum of its proper divisors (1700675244).

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

1275506412 is a wasteful number, since it uses less digits than its factorization.

1275506412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106292208 (or 106292206 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1275506412 is about 35714.2326251034. The cubic root of 1275506412 is about 1084.4949866504.

The spelling of 1275506412 in words is "one billion, two hundred seventy-five million, five hundred six thousand, four hundred twelve".