1299710129 has 16 divisors (see below), whose sum is σ = 1407829248. Its totient is φ = 1195199232.

The previous prime is 1299710119. The next prime is 1299710147. The reversal of 1299710129 is 9210179921.

It is a cyclic number.

It is not a de Polignac number, because 1299710129 - 2¹² = 1299706033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299710119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680594 + ... + 682500.

It is an arithmetic number, because the mean of its divisors is an integer number (87989328).

Almost surely, 2^1299710129 is an apocalyptic number.

It is an amenable number.

1299710129 is a deficient number, since it is larger than the sum of its proper divisors (108119119).

1299710129 is a wasteful number, since it uses less digits than its factorization.

1299710129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1299710129 is about 36051.4927430197. The cubic root of 1299710129 is about 1091.3117582756.

The spelling of 1299710129 in words is "one billion, two hundred ninety-nine million, seven hundred ten thousand, one hundred twenty-nine".