1283242 has 8 divisors (see below), whose sum is σ = 1930500. Its totient is φ = 639744.

The previous prime is 1283237. The next prime is 1283297. The reversal of 1283242 is 2423821.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 53361 = 1109^2 + 231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184 + ... + 1612.

2^1283242 is an apocalyptic number.

1283242 is a deficient number, since it is larger than the sum of its proper divisors (647258).

1283242 is a wasteful number, since it uses less digits than its factorization.

1283242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its digits is 768, while the sum is 22.

The square root of 1283242 is about 1132.8027189233. The cubic root of 1283242 is about 108.6682955247.

The spelling of 1283242 in words is "one million, two hundred eighty-three thousand, two hundred forty-two".