1275224568 has 16 divisors (see below), whose sum is σ = 3188061480. Its totient is φ = 425074848.

The previous prime is 1275224567. The next prime is 1275224591. The reversal of 1275224568 is 8654225721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275224567) 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, 26567155 + ... + 26567202.

Almost surely, 2^1275224568 is an apocalyptic number.

It is an amenable number.

1275224568 is an abundant number, since it is smaller than the sum of its proper divisors (1912836912).

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

1275224568 is a wasteful number, since it uses less digits than its factorization.

1275224568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53134366 (or 53134362 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 1275224568 is about 35710.2865852404. The cubic root of 1275224568 is about 1084.4151017988.

The spelling of 1275224568 in words is "one billion, two hundred seventy-five million, two hundred twenty-four thousand, five hundred sixty-eight".