1066442 has 8 divisors (see below), whose sum is σ = 1722756. Its totient is φ = 492192.

The previous prime is 1066433. The next prime is 1066447. The reversal of 1066442 is 2446601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 3481 = 1031^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1066442² = 2274597078728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066447) 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, 20483 + ... + 20534.

2^1066442 is an apocalyptic number.

1066442 is a deficient number, since it is larger than the sum of its proper divisors (656314).

1066442 is a wasteful number, since it uses less digits than its factorization.

1066442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41032.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1066442 is about 1032.6867869785. The cubic root of 1066442 is about 102.1674169744.

The spelling of 1066442 in words is "one million, sixty-six thousand, four hundred forty-two".