1842142 has 8 divisors (see below), whose sum is σ = 2768976. Its totient is φ = 919152.

The previous prime is 1842133. The next prime is 1842151. The reversal of 1842142 is 2412481.

It is an interprime number because it is at equal distance from previous prime (1842133) and next prime (1842151).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (346122).

2^1842142 is an apocalyptic number.

1842142 is a deficient number, since it is larger than the sum of its proper divisors (926834).

1842142 is an equidigital number, since it uses as much as digits as its factorization.

1842142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

The product of its digits is 512, while the sum is 22.

The square root of 1842142 is about 1357.2553186486. The cubic root of 1842142 is about 122.5860453359.

The spelling of 1842142 in words is "one million, eight hundred forty-two thousand, one hundred forty-two".