1299927112 has 32 divisors (see below), whose sum is σ = 2671581600. Its totient is φ = 588067200.

The previous prime is 1299927073. The next prime is 1299927121. The reversal of 1299927112 is 2117299921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16437 + ... + 53572.

It is an arithmetic number, because the mean of its divisors is an integer number (83486925).

Almost surely, 2^1299927112 is an apocalyptic number.

It is an amenable number.

1299927112 is an abundant number, since it is smaller than the sum of its proper divisors (1371654488).

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

1299927112 is a wasteful number, since it uses less digits than its factorization.

1299927112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70237 (or 70233 counting only the distinct ones).

The product of its digits is 40824, while the sum is 43.

The square root of 1299927112 is about 36054.5019657740. The cubic root of 1299927112 is about 1091.3724853864.

The spelling of 1299927112 in words is "one billion, two hundred ninety-nine million, nine hundred twenty-seven thousand, one hundred twelve".