1442197 has 4 divisors (see below), whose sum is σ = 1444716. Its totient is φ = 1439680.

The previous prime is 1442191. The next prime is 1442209. The reversal of 1442197 is 7912441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7912441 = 101 ⋅78341.

It can be written as a sum of positive squares in 2 ways, for example, as 128881 + 1313316 = 359^2 + 1146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442197 - 2⁷ = 1442069 is a prime.

It is a Duffinian number.

1442197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (361179).

2^1442197 is an apocalyptic number.

It is an amenable number.

1442197 is a deficient number, since it is larger than the sum of its proper divisors (2519).

1442197 is an equidigital number, since it uses as much as digits as its factorization.

1442197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518.

The product of its digits is 2016, while the sum is 28.

The square root of 1442197 is about 1200.9150677712. The cubic root of 1442197 is about 112.9817236216.

The spelling of 1442197 in words is "one million, four hundred forty-two thousand, one hundred ninety-seven".