1302979 has 4 divisors (see below), whose sum is σ = 1311760. Its totient is φ = 1294200.

The previous prime is 1302953. The next prime is 1302991. The reversal of 1302979 is 9792031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1302979 - 2¹¹ = 1300931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302979.

It is not an unprimeable number, because it can be changed into a prime (1302919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4164 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (327940).

2^1302979 is an apocalyptic number.

1302979 is a deficient number, since it is larger than the sum of its proper divisors (8781).

1302979 is an equidigital number, since it uses as much as digits as its factorization.

1302979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1302979 is about 1141.4810554714. The cubic root of 1302979 is about 109.2225903341. Note that the first 3 decimals are identical.

The spelling of 1302979 in words is "one million, three hundred two thousand, nine hundred seventy-nine".