1299116237 has 16 divisors (see below), whose sum is σ = 1353411072. Its totient is φ = 1246195200.

The previous prime is 1299116227. The next prime is 1299116257. The reversal of 1299116237 is 7326119921.

It is a cyclic number.

It is not a de Polignac number, because 1299116237 - 2¹² = 1299112141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1299116194 and 1299116203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299116227) 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, 487613 + ... + 490269.

It is an arithmetic number, because the mean of its divisors is an integer number (84588192).

Almost surely, 2^1299116237 is an apocalyptic number.

It is an amenable number.

1299116237 is a deficient number, since it is larger than the sum of its proper divisors (54294835).

1299116237 is a wasteful number, since it uses less digits than its factorization.

1299116237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its digits is 40824, while the sum is 41.

The square root of 1299116237 is about 36043.2550833023. The cubic root of 1299116237 is about 1091.1455109329.

The spelling of 1299116237 in words is "one billion, two hundred ninety-nine million, one hundred sixteen thousand, two hundred thirty-seven".