1299793142 has 8 divisors (see below), whose sum is σ = 1952979336. Its totient is φ = 648800032.

The previous prime is 1299793129. The next prime is 1299793163. The reversal of 1299793142 is 2413979921.

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

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 3 ways as a sum of consecutive naturals, for example, 546788 + ... + 549159.

It is an arithmetic number, because the mean of its divisors is an integer number (244122417).

Almost surely, 2^1299793142 is an apocalyptic number.

1299793142 is a deficient number, since it is larger than the sum of its proper divisors (653186194).

1299793142 is a wasteful number, since it uses less digits than its factorization.

1299793142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096542.

The product of its digits is 244944, while the sum is 47.

The square root of 1299793142 is about 36052.6440361869. The cubic root of 1299793142 is about 1091.3349919522.

The spelling of 1299793142 in words is "one billion, two hundred ninety-nine million, seven hundred ninety-three thousand, one hundred forty-two".