1279023 has 12 divisors (see below), whose sum is σ = 1801368. Its totient is φ = 807120.

The previous prime is 1279021. The next prime is 1279027. The reversal of 1279023 is 3209721.

It is not a de Polignac number, because 1279023 - 2¹ = 1279021 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1278984 and 1279002.

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 in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (150114).

2^1279023 is an apocalyptic number.

1279023 is a deficient number, since it is larger than the sum of its proper divisors (522345).

1279023 is a wasteful number, since it uses less digits than its factorization.

1279023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1203 counting only the distinct ones).

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

The square root of 1279023 is about 1130.9389903969. The cubic root of 1279023 is about 108.5490727780.

The spelling of 1279023 in words is "one million, two hundred seventy-nine thousand, twenty-three".