1299490031 has 8 divisors (see below), whose sum is σ = 1485467424. Its totient is φ = 1113596640.

The previous prime is 1299490007. The next prime is 1299490033. The reversal of 1299490031 is 1300949921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1299490031 - 2¹⁰ = 1299489007 is a prime.

It is a super-2 number, since 2×1299490031² = 3377348681336761922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299490033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16661 + ... + 53633.

It is an arithmetic number, because the mean of its divisors is an integer number (185683428).

Almost surely, 2^1299490031 is an apocalyptic number.

1299490031 is a deficient number, since it is larger than the sum of its proper divisors (185977393).

1299490031 is an equidigital number, since it uses as much as digits as its factorization.

1299490031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42001.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1299490031 is about 36048.4400633370. The cubic root of 1299490031 is about 1091.2501524632.

The spelling of 1299490031 in words is "one billion, two hundred ninety-nine million, four hundred ninety thousand, thirty-one".