1299424984 has 32 divisors (see below), whose sum is σ = 2862372240. Its totient is φ = 545212800.

The previous prime is 1299424969. The next prime is 1299424993. The reversal of 1299424984 is 4894249921.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566787 + ... + 569074.

Almost surely, 2^1299424984 is an apocalyptic number.

It is an amenable number.

1299424984 is an abundant number, since it is smaller than the sum of its proper divisors (1562947256).

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

1299424984 is a wasteful number, since it uses less digits than its factorization.

1299424984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135891 (or 1135887 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 1299424984 is about 36047.5378354750. The cubic root of 1299424984 is about 1091.2319443633.

1299424984 divided by its sum of digits (52) gives a palindrome (24988942).

The spelling of 1299424984 in words is "one billion, two hundred ninety-nine million, four hundred twenty-four thousand, nine hundred eighty-four".