1442087 has 2 divisors, whose sum is σ = 1442088. Its totient is φ = 1442086.

The previous prime is 1442071. The next prime is 1442143. The reversal of 1442087 is 7802441.

It is a weak prime.

It is an emirp because it is prime and its reverse (7802441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442087 - 2⁴ = 1442071 is a prime.

It is a super-2 number, since 2×1442087² = 4159229831138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721043 + 721044.

It is an arithmetic number, because the mean of its divisors is an integer number (721044).

2^1442087 is an apocalyptic number.

1442087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442087 is an equidigital number, since it uses as much as digits as its factorization.

1442087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1442087 is about 1200.8692684885. The cubic root of 1442087 is about 112.9788510816.

The spelling of 1442087 in words is "one million, four hundred forty-two thousand, eighty-seven".