1275048880 has 40 divisors (see below), whose sum is σ = 3387988512. Its totient is φ = 437159424.

The previous prime is 1275048851. The next prime is 1275048881. The reversal of 1275048880 is 888405721.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1275048881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137877 + ... + 1138996.

Almost surely, 2^1275048880 is an apocalyptic number.

1275048880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275048880 is an abundant number, since it is smaller than the sum of its proper divisors (2112939632).

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

1275048880 is a wasteful number, since it uses less digits than its factorization.

1275048880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276893 (or 2276887 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 1275048880 is about 35707.8265930594. The cubic root of 1275048880 is about 1084.3652994672.

The spelling of 1275048880 in words is "one billion, two hundred seventy-five million, forty-eight thousand, eight hundred eighty".