1279241 has 6 divisors (see below), whose sum is σ = 1312926. Its totient is φ = 1246400.

The previous prime is 1279211. The next prime is 1279249. The reversal of 1279241 is 1429721.

It can be written as a sum of positive squares in 3 ways, for example, as 336400 + 942841 = 580^2 + 971^2 .

It is not a de Polignac number, because 1279241 - 2⁶ = 1279177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1279241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (218821).

2^1279241 is an apocalyptic number.

It is an amenable number.

1279241 is a deficient number, since it is larger than the sum of its proper divisors (33685).

1279241 is an frugal number, since it uses more digits than its factorization.

1279241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 802 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 1279241 is about 1131.0353663790. The cubic root of 1279241 is about 108.5552395562. Note that the first 3 decimals are identical.

The spelling of 1279241 in words is "one million, two hundred seventy-nine thousand, two hundred forty-one".