1299159598 has 16 divisors (see below), whose sum is σ = 2127605760. Its totient is φ = 590052600.

The previous prime is 1299159593. The next prime is 1299159613. The reversal of 1299159598 is 8959519921.

It is a super-2 number, since 2×1299159598² = 3375631322151043208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299159593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 51223.

It is an arithmetic number, because the mean of its divisors is an integer number (132975360).

Almost surely, 2^1299159598 is an apocalyptic number.

1299159598 is a deficient number, since it is larger than the sum of its proper divisors (828446162).

1299159598 is a wasteful number, since it uses less digits than its factorization.

1299159598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47463.

The product of its digits is 2624400, while the sum is 58.

The square root of 1299159598 is about 36043.8565916579. The cubic root of 1299159598 is about 1091.1576506304.

The spelling of 1299159598 in words is "one billion, two hundred ninety-nine million, one hundred fifty-nine thousand, five hundred ninety-eight".