1299340284 has 24 divisors (see below), whose sum is σ = 3307411968. Its totient is φ = 393739440.

The previous prime is 1299340279. The next prime is 1299340297. The reversal of 1299340284 is 4820439921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4921612 + ... + 4921875.

It is an arithmetic number, because the mean of its divisors is an integer number (137808832).

Almost surely, 2^1299340284 is an apocalyptic number.

It is an amenable number.

1299340284 is an abundant number, since it is smaller than the sum of its proper divisors (2008071684).

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

1299340284 is a wasteful number, since it uses less digits than its factorization.

1299340284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843505 (or 9843503 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1299340284 is about 36046.3629788083. The cubic root of 1299340284 is about 1091.2082340414.

The spelling of 1299340284 in words is "one billion, two hundred ninety-nine million, three hundred forty thousand, two hundred eighty-four".