1641242 has 8 divisors (see below), whose sum is σ = 2491776. Its totient is φ = 810652.

The previous prime is 1641229. The next prime is 1641253. The reversal of 1641242 is 2421461.

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, 4778 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (311472).

2^1641242 is an apocalyptic number.

1641242 is a deficient number, since it is larger than the sum of its proper divisors (850534).

1641242 is an equidigital number, since it uses as much as digits as its factorization.

1641242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972.

The product of its digits is 384, while the sum is 20.

The square root of 1641242 is about 1281.1096752425. The cubic root of 1641242 is about 117.9571327580.

The spelling of 1641242 in words is "one million, six hundred forty-one thousand, two hundred forty-two".