1299971 has 8 divisors (see below), whose sum is σ = 1340688. Its totient is φ = 1260000.

The previous prime is 1299953. The next prime is 1299979. The reversal of 1299971 is 1799921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299979) 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, 6056 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (167586).

2^1299971 is an apocalyptic number.

1299971 is a deficient number, since it is larger than the sum of its proper divisors (40717).

1299971 is a wasteful number, since it uses less digits than its factorization.

1299971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 10206, while the sum is 38.

The square root of 1299971 is about 1140.1627076869. The cubic root of 1299971 is about 109.1384767515.

The spelling of 1299971 in words is "one million, two hundred ninety-nine thousand, nine hundred seventy-one".