1299490032 has 40 divisors (see below), whose sum is σ = 3360340480. Its totient is φ = 432734400.

The previous prime is 1299490007. The next prime is 1299490033. The reversal of 1299490032 is 2300949921.

It is a super-2 number, since 2×1299490032² = 3377348686534722048, 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, 37569 + ... + 63327.

It is an arithmetic number, because the mean of its divisors is an integer number (84008512).

Almost surely, 2^1299490032 is an apocalyptic number.

1299490032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1299490032 is an abundant number, since it is smaller than the sum of its proper divisors (2060850448).

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

1299490032 is a wasteful number, since it uses less digits than its factorization.

1299490032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26821 (or 26815 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1299490032 is about 36048.4400772072. The cubic root of 1299490032 is about 1091.2501527431.

The spelling of 1299490032 in words is "one billion, two hundred ninety-nine million, four hundred ninety thousand, thirty-two".