120535666 has 8 divisors (see below), whose sum is σ = 180861660. Its totient is φ = 60248448.

The previous prime is 120535633. The next prime is 120535669. The reversal of 120535666 is 666535021.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 20115225 = 10021^2 + 4485^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120535669) 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, 30 + ... + 15526.

Almost surely, 2^120535666 is an apocalyptic number.

120535666 is a deficient number, since it is larger than the sum of its proper divisors (60325994).

120535666 is a wasteful number, since it uses less digits than its factorization.

120535666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 120535666 is about 10978.8736216426. The cubic root of 120535666 is about 493.9752510453.

The spelling of 120535666 in words is "one hundred twenty million, five hundred thirty-five thousand, six hundred sixty-six".