120201166 has 4 divisors (see below), whose sum is σ = 180301752. Its totient is φ = 60100582.

The previous prime is 120201127. The next prime is 120201173. The reversal of 120201166 is 661102021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661102021 = 59 ⋅11205119.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30050290 + ... + 30050293.

It is an arithmetic number, because the mean of its divisors is an integer number (45075438).

Almost surely, 2^120201166 is an apocalyptic number.

120201166 is a deficient number, since it is larger than the sum of its proper divisors (60100586).

120201166 is an equidigital number, since it uses as much as digits as its factorization.

120201166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60100585.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 120201166 is about 10963.6292348839. The cubic root of 120201166 is about 493.5178821150.

Adding to 120201166 its reverse (661102021), we get a palindrome (781303187).

The spelling of 120201166 in words is "one hundred twenty million, two hundred one thousand, one hundred sixty-six".