1260320812 has 48 divisors (see below), whose sum is σ = 2315779200. Its totient is φ = 599639040.

The previous prime is 1260320801. The next prime is 1260320813. The reversal of 1260320812 is 2180230621.

It is not an unprimeable number, because it can be changed into a prime (1260320813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152538 + ... + 1153630.

It is an arithmetic number, because the mean of its divisors is an integer number (48245400).

Almost surely, 2^1260320812 is an apocalyptic number.

It is an amenable number.

1260320812 is a deficient number, since it is larger than the sum of its proper divisors (1055458388).

1260320812 is a wasteful number, since it uses less digits than its factorization.

1260320812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1260320812 is about 35500.9973381031. The cubic root of 1260320812 is about 1080.1739580326.

The spelling of 1260320812 in words is "one billion, two hundred sixty million, three hundred twenty thousand, eight hundred twelve".