1279941 has 16 divisors (see below), whose sum is σ = 1889664. Its totient is φ = 765504.

The previous prime is 1279937. The next prime is 1279961. The reversal of 1279941 is 1499721.

It is not a de Polignac number, because 1279941 - 2² = 1279937 is a prime.

1279941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279921) 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 15 ways as a sum of consecutive naturals, for example, 1000 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (118104).

2^1279941 is an apocalyptic number.

It is an amenable number.

1279941 is a deficient number, since it is larger than the sum of its proper divisors (609723).

1279941 is a wasteful number, since it uses less digits than its factorization.

1279941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its digits is 4536, while the sum is 33.

The square root of 1279941 is about 1131.3447750354. The cubic root of 1279941 is about 108.5750364023.

The spelling of 1279941 in words is "one million, two hundred seventy-nine thousand, nine hundred forty-one".