1022379 has 4 divisors (see below), whose sum is σ = 1363176. Its totient is φ = 681584.

The previous prime is 1022377. The next prime is 1022381. The reversal of 1022379 is 9732201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9732201 = 3 ⋅3244067.

It is an interprime number because it is at equal distance from previous prime (1022377) and next prime (1022381).

It is a cyclic number.

It is not a de Polignac number, because 1022379 - 2¹ = 1022377 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1022377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170394 + ... + 170399.

It is an arithmetic number, because the mean of its divisors is an integer number (340794).

2^1022379 is an apocalyptic number.

1022379 is a deficient number, since it is larger than the sum of its proper divisors (340797).

1022379 is an equidigital number, since it uses as much as digits as its factorization.

1022379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340796.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1022379 is about 1011.1275883883. The cubic root of 1022379 is about 100.7404701727.

The spelling of 1022379 in words is "one million, twenty-two thousand, three hundred seventy-nine".