1299340283 has 4 divisors (see below), whose sum is σ = 1299692640. Its totient is φ = 1298987928.

The previous prime is 1299340279. The next prime is 1299340297. The reversal of 1299340283 is 3820439921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1299340283 - 2² = 1299340279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1299340283.

It is not an unprimeable number, because it can be changed into a prime (1299340253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170588 + ... + 178041.

It is an arithmetic number, because the mean of its divisors is an integer number (324923160).

Almost surely, 2^1299340283 is an apocalyptic number.

1299340283 is a deficient number, since it is larger than the sum of its proper divisors (352357).

1299340283 is an equidigital number, since it uses as much as digits as its factorization.

1299340283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352356.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1299340283 is about 36046.3629649373. The cubic root of 1299340283 is about 1091.2082337615.

The spelling of 1299340283 in words is "one billion, two hundred ninety-nine million, three hundred forty thousand, two hundred eighty-three".