120065566 has 8 divisors (see below), whose sum is σ = 187928784. Its totient is φ = 57422640.

The previous prime is 120065563. The next prime is 120065587. The reversal of 120065566 is 665560021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120065563) 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, 1305015 + ... + 1305106.

It is an arithmetic number, because the mean of its divisors is an integer number (23491098).

Almost surely, 2^120065566 is an apocalyptic number.

120065566 is a deficient number, since it is larger than the sum of its proper divisors (67863218).

120065566 is a wasteful number, since it uses less digits than its factorization.

120065566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610146.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 120065566 is about 10957.4434061965. The cubic root of 120065566 is about 493.3322316549.

It can be divided in two parts, 1200 and 65566, that added together give a palindrome (66766).

The spelling of 120065566 in words is "one hundred twenty million, sixty-five thousand, five hundred sixty-six".