1260799916 has 6 divisors (see below), whose sum is σ = 2206399860. Its totient is φ = 630399956.

The previous prime is 1260799913. The next prime is 1260799927. The reversal of 1260799916 is 6199970621.

It is not an unprimeable number, because it can be changed into a prime (1260799913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157599986 + ... + 157599993.

It is an arithmetic number, because the mean of its divisors is an integer number (367733310).

Almost surely, 2^1260799916 is an apocalyptic number.

It is an amenable number.

1260799916 is a deficient number, since it is larger than the sum of its proper divisors (945599944).

1260799916 is a wasteful number, since it uses less digits than its factorization.

1260799916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315199983 (or 315199981 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 1260799916 is about 35507.7444510349. The cubic root of 1260799916 is about 1080.3108147483.

The spelling of 1260799916 in words is "one billion, two hundred sixty million, seven hundred ninety-nine thousand, nine hundred sixteen".