1282979 has 4 divisors (see below), whose sum is σ = 1286376. Its totient is φ = 1279584.

The previous prime is 1282969. The next prime is 1282993. The reversal of 1282979 is 9792821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9792821 = 401 ⋅24421.

It is a cyclic number.

It is not a de Polignac number, because 1282979 - 2¹⁶ = 1217443 is a prime.

It is a super-2 number, since 2×1282979² = 3292070228882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1282909) 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 3 ways as a sum of consecutive naturals, for example, 1049 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (321594).

2^1282979 is an apocalyptic number.

1282979 is a deficient number, since it is larger than the sum of its proper divisors (3397).

1282979 is an equidigital number, since it uses as much as digits as its factorization.

1282979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its digits is 18144, while the sum is 38.

The square root of 1282979 is about 1132.6866292139. The cubic root of 1282979 is about 108.6608711744.

The spelling of 1282979 in words is "one million, two hundred eighty-two thousand, nine hundred seventy-nine".