1242883 has 4 divisors (see below), whose sum is σ = 1283008. Its totient is φ = 1202760.

The previous prime is 1242869. The next prime is 1242889. The reversal of 1242883 is 3882421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242889) 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, 20016 + ... + 20077.

It is an arithmetic number, because the mean of its divisors is an integer number (320752).

2^1242883 is an apocalyptic number.

1242883 is a deficient number, since it is larger than the sum of its proper divisors (40125).

1242883 is an equidigital number, since it uses as much as digits as its factorization.

1242883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40124.

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

The square root of 1242883 is about 1114.8466262226. The cubic root of 1242883 is about 107.5169037777.

The spelling of 1242883 in words is "one million, two hundred forty-two thousand, eight hundred eighty-three".