1442191 has 2 divisors, whose sum is σ = 1442192. Its totient is φ = 1442190.

The previous prime is 1442173. The next prime is 1442209. The reversal of 1442191 is 1912441.

It is a balanced prime because it is at equal distance from previous prime (1442173) and next prime (1442209).

It is a cyclic number.

It is not a de Polignac number, because 1442191 - 2⁵ = 1442159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721095 + 721096.

It is an arithmetic number, because the mean of its divisors is an integer number (721096).

2^1442191 is an apocalyptic number.

1442191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442191 is an equidigital number, since it uses as much as digits as its factorization.

1442191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 1442191 is about 1200.9125696736. The cubic root of 1442191 is about 112.9815669413.

The spelling of 1442191 in words is "one million, four hundred forty-two thousand, one hundred ninety-one".