1066920042 has 16 divisors (see below), whose sum is σ = 2183464800. Its totient is φ = 347369232.

The previous prime is 1066920011. The next prime is 1066920061. The reversal of 1066920042 is 2400296601.

It is a super-2 number, since 2×1066920042² = 2276636752042563528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066919991 and 1066920009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067417 + ... + 2067932.

It is an arithmetic number, because the mean of its divisors is an integer number (136466550).

Almost surely, 2^1066920042 is an apocalyptic number.

1066920042 is an abundant number, since it is smaller than the sum of its proper divisors (1116544758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066920042 is a wasteful number, since it uses less digits than its factorization.

1066920042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135397.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1066920042 is about 32663.7420085329. The cubic root of 1066920042 is about 1021.8268050814.

The spelling of 1066920042 in words is "one billion, sixty-six million, nine hundred twenty thousand, forty-two".