1066120572 has 48 divisors (see below), whose sum is σ = 2719325952. Its totient is φ = 322404480.

The previous prime is 1066120537. The next prime is 1066120577. The reversal of 1066120572 is 2750216601.

It is a super-2 number, since 2×1066120572² = 2273226148083214368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066120577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58368 + ... + 74424.

It is an arithmetic number, because the mean of its divisors is an integer number (56652624).

Almost surely, 2^1066120572 is an apocalyptic number.

1066120572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066120572 is an abundant number, since it is smaller than the sum of its proper divisors (1653205380).

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

1066120572 is a wasteful number, since it uses less digits than its factorization.

1066120572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578 (or 16576 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1066120572 is about 32651.5018337595. The cubic root of 1066120572 is about 1021.5715144708.

The spelling of 1066120572 in words is "one billion, sixty-six million, one hundred twenty thousand, five hundred seventy-two".