1299088142 has 8 divisors (see below), whose sum is σ = 2125780632. Its totient is φ = 590494600.

The previous prime is 1299088129. The next prime is 1299088163. The reversal of 1299088142 is 2418809921.

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

It is a junction number, because it is equal to n+sod(n) for n = 1299088093 and 1299088102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29524709 + ... + 29524752.

It is an arithmetic number, because the mean of its divisors is an integer number (265722579).

Almost surely, 2^1299088142 is an apocalyptic number.

1299088142 is a deficient number, since it is larger than the sum of its proper divisors (826692490).

1299088142 is a wasteful number, since it uses less digits than its factorization.

1299088142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59049474.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 1299088142 is about 36042.8653411462. The cubic root of 1299088142 is about 1091.1376450845.

The spelling of 1299088142 in words is "one billion, two hundred ninety-nine million, eighty-eight thousand, one hundred forty-two".