1066412042 has 4 divisors (see below), whose sum is σ = 1599618066. Its totient is φ = 533206020.

The previous prime is 1066412027. The next prime is 1066412063. The reversal of 1066412042 is 2402146601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 940096921 + 126315121 = 30661^2 + 11239^2 .

It is a super-2 number, since 2×1066412042² = 2274469286645219528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266603009 + ... + 266603012.

Almost surely, 2^1066412042 is an apocalyptic number.

1066412042 is a deficient number, since it is larger than the sum of its proper divisors (533206024).

1066412042 is an equidigital number, since it uses as much as digits as its factorization.

1066412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533206023.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1066412042 is about 32655.9648762672. The cubic root of 1066412042 is about 1021.6646028532.

Adding to 1066412042 its reverse (2402146601), we get a palindrome (3468558643).

The spelling of 1066412042 in words is "one billion, sixty-six million, four hundred twelve thousand, forty-two".