1442251 has 2 divisors, whose sum is σ = 1442252. Its totient is φ = 1442250.

The previous prime is 1442227. The next prime is 1442267. The reversal of 1442251 is 1522441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442251 - 2¹¹ = 1440203 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1442351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721125 + 721126.

It is an arithmetic number, because the mean of its divisors is an integer number (721126).

2^1442251 is an apocalyptic number.

1442251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442251 is an equidigital number, since it uses as much as digits as its factorization.

1442251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 19.

The square root of 1442251 is about 1200.9375504163. The cubic root of 1442251 is about 112.9831337241.

Adding to 1442251 its reverse (1522441), we get a palindrome (2964692).

The spelling of 1442251 in words is "one million, four hundred forty-two thousand, two hundred fifty-one".