1219442 has 8 divisors (see below), whose sum is σ = 2090496. Its totient is φ = 522612.

The previous prime is 1219433. The next prime is 1219453. The reversal of 1219442 is 2449121.

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

It is an unprimeable number.

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, 43538 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (261312).

2^1219442 is an apocalyptic number.

1219442 is a deficient number, since it is larger than the sum of its proper divisors (871054).

1219442 is an equidigital number, since it uses as much as digits as its factorization.

1219442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87112.

The product of its digits is 576, while the sum is 23.

The square root of 1219442 is about 1104.2834780979. The cubic root of 1219442 is about 106.8366798314.

It can be divided in two parts, 1219 and 442, that added together give a palindrome (1661).

The spelling of 1219442 in words is "one million, two hundred nineteen thousand, four hundred forty-two".