1299034971 has 24 divisors (see below), whose sum is σ = 2022509216. Its totient is φ = 798698880.

The previous prime is 1299034969. The next prime is 1299034981. The reversal of 1299034971 is 1794309921.

It is not a de Polignac number, because 1299034971 - 2¹ = 1299034969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1299034951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148191 + ... + 156711.

Almost surely, 2^1299034971 is an apocalyptic number.

1299034971 is a deficient number, since it is larger than the sum of its proper divisors (723474245).

1299034971 is a wasteful number, since it uses less digits than its factorization.

1299034971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843 (or 9840 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1299034971 is about 36042.1277257600. The cubic root of 1299034971 is about 1091.1227583165.

It can be divided in two parts, 12990 and 34971, that added together give a square (47961 = 219²).

The spelling of 1299034971 in words is "one billion, two hundred ninety-nine million, thirty-four thousand, nine hundred seventy-one".