1260220808 has 108 divisors (see below), whose sum is σ = 3039943095. Its totient is φ = 487982880.

The previous prime is 1260220769. The next prime is 1260220811. The reversal of 1260220808 is 8080220621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 630110404 + 630110404 = 25102^2 + 25102^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25102.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7731335 + ... + 7731497.

Almost surely, 2^1260220808 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 1260220808

1260220808 is an abundant number, since it is smaller than the sum of its proper divisors (1779722287).

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

1260220808 is a wasteful number, since it uses less digits than its factorization.

1260220808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1260220808 is about 35499.5888426894. The cubic root of 1260220808 is about 1080.1453873775.

The spelling of 1260220808 in words is "one billion, two hundred sixty million, two hundred twenty thousand, eight hundred eight".