1275573968 has 80 divisors (see below), whose sum is σ = 2659204800. Its totient is φ = 590976000.

The previous prime is 1275573947. The next prime is 1275573991. The reversal of 1275573968 is 8693755721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5081843 + ... + 5082093.

It is an arithmetic number, because the mean of its divisors is an integer number (33240060).

Almost surely, 2^1275573968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275573968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329602400).

1275573968 is an abundant number, since it is smaller than the sum of its proper divisors (1383630832).

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

1275573968 is a wasteful number, since it uses less digits than its factorization.

1275573968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 1275573968 is about 35715.1783979865. The cubic root of 1275573968 is about 1084.5141327321.

The spelling of 1275573968 in words is "one billion, two hundred seventy-five million, five hundred seventy-three thousand, nine hundred sixty-eight".