1279874 has 4 divisors (see below), whose sum is σ = 1919814. Its totient is φ = 639936.

The previous prime is 1279871. The next prime is 1279877. The reversal of 1279874 is 4789721.

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

It is an interprime number because it is at equal distance from previous prime (1279871) and next prime (1279877).

It can be written as a sum of positive squares in only one way, i.e., 889249 + 390625 = 943^2 + 625^2 .

It is not an unprimeable number, because it can be changed into a prime (1279871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319967 + ... + 319970.

2^1279874 is an apocalyptic number.

1279874 is a deficient number, since it is larger than the sum of its proper divisors (639940).

1279874 is an equidigital number, since it uses as much as digits as its factorization.

1279874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639939.

The product of its digits is 28224, while the sum is 38.

The square root of 1279874 is about 1131.3151638690. The cubic root of 1279874 is about 108.5731418738.

It can be divided in two parts, 127 and 9874, that added together give a palindrome (10001).

The spelling of 1279874 in words is "one million, two hundred seventy-nine thousand, eight hundred seventy-four".