1066239 has 6 divisors (see below), whose sum is σ = 1540136. Its totient is φ = 710820.

The previous prime is 1066237. The next prime is 1066253. The reversal of 1066239 is 9326601.

It is a happy number.

It is not a de Polignac number, because 1066239 - 2¹ = 1066237 is a prime.

It is a super-2 number, since 2×1066239² = 2273731210242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59227 + ... + 59244.

2^1066239 is an apocalyptic number.

1066239 is a deficient number, since it is larger than the sum of its proper divisors (473897).

1066239 is a wasteful number, since it uses less digits than its factorization.

1066239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118477 (or 118474 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1066239 is about 1032.5884949969. The cubic root of 1066239 is about 102.1609339521.

It can be divided in two parts, 10662 and 39, that added together give a palindrome (10701).

The spelling of 1066239 in words is "one million, sixty-six thousand, two hundred thirty-nine".