1283842 has 8 divisors (see below), whose sum is σ = 2200896. Its totient is φ = 550212.

The previous prime is 1283839. The next prime is 1283873. The reversal of 1283842 is 2483821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1283842.

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, 45838 + ... + 45865.

It is an arithmetic number, because the mean of its divisors is an integer number (275112).

2^1283842 is an apocalyptic number.

1283842 is a deficient number, since it is larger than the sum of its proper divisors (917054).

1283842 is an equidigital number, since it uses as much as digits as its factorization.

1283842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91712.

The product of its digits is 3072, while the sum is 28.

The square root of 1283842 is about 1133.0675178470. The cubic root of 1283842 is about 108.6852294099.

It can be divided in two parts, 12838 and 42, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 1283842 in words is "one million, two hundred eighty-three thousand, eight hundred forty-two".