1279022 has 4 divisors (see below), whose sum is σ = 1918536. Its totient is φ = 639510.

The previous prime is 1279021. The next prime is 1279027. The reversal of 1279022 is 2209721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319754 + ... + 319757.

It is an arithmetic number, because the mean of its divisors is an integer number (479634).

2^1279022 is an apocalyptic number.

1279022 is a deficient number, since it is larger than the sum of its proper divisors (639514).

1279022 is an equidigital number, since it uses as much as digits as its factorization.

1279022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639513.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1279022 is about 1130.9385482863. The cubic root of 1279022 is about 108.5490444884.

The spelling of 1279022 in words is "one million, two hundred seventy-nine thousand, twenty-two".