1275162896 has 20 divisors (see below), whose sum is σ = 2823575232. Its totient is φ = 546498336.

The previous prime is 1275162883. The next prime is 1275162899. The reversal of 1275162896 is 6982615721.

It is a happy number.

It is a super-2 number, since 2×1275162896² = 3252080822670213632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1275162896.

It is not an unprimeable number, because it can be changed into a prime (1275162899) 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, 5692580 + ... + 5692803.

Almost surely, 2^1275162896 is an apocalyptic number.

1275162896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1275162896 is an abundant number, since it is smaller than the sum of its proper divisors (1548412336).

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

1275162896 is a wasteful number, since it uses less digits than its factorization.

1275162896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385398 (or 11385392 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 1275162896 is about 35709.4230701085. The cubic root of 1275162896 is about 1084.3976201390.

The spelling of 1275162896 in words is "one billion, two hundred seventy-five million, one hundred sixty-two thousand, eight hundred ninety-six".