1279242 has 12 divisors (see below), whose sum is σ = 2771730. Its totient is φ = 426408.

The previous prime is 1279211. The next prime is 1279249. The reversal of 1279242 is 2429721.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 81 = 1131^2 + 9^2 .

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, 35517 + ... + 35552.

2^1279242 is an apocalyptic number.

1279242 is an abundant number, since it is smaller than the sum of its proper divisors (1492488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1279242 is a wasteful number, since it uses less digits than its factorization.

1279242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71077 (or 71074 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1279242 is about 1131.0358084517. The cubic root of 1279242 is about 108.5552678426. Note that the first 3 decimals are identical.

It can be divided in two parts, 1279 and 242, that added together give a square (1521 = 39²).

The spelling of 1279242 in words is "one million, two hundred seventy-nine thousand, two hundred forty-two".