1442291 has 4 divisors (see below), whose sum is σ = 1459752. Its totient is φ = 1424832.

The previous prime is 1442279. The next prime is 1442299. The reversal of 1442291 is 1922441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1922441 = 47 ⋅40903.

It is a cyclic number.

It is not a de Polignac number, because 1442291 - 2⁶ = 1442227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442299) 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, 8606 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (364938).

2^1442291 is an apocalyptic number.

1442291 is a deficient number, since it is larger than the sum of its proper divisors (17461).

1442291 is an equidigital number, since it uses as much as digits as its factorization.

1442291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460.

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

The square root of 1442291 is about 1200.9542039562. The cubic root of 1442291 is about 112.9841782218.

The spelling of 1442291 in words is "one million, four hundred forty-two thousand, two hundred ninety-one".