120654166 has 4 divisors (see below), whose sum is σ = 180981252. Its totient is φ = 60327082.

The previous prime is 120654137. The next prime is 120654167. The reversal of 120654166 is 661456021.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120654167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30163540 + ... + 30163543.

It is an arithmetic number, because the mean of its divisors is an integer number (45245313).

Almost surely, 2^120654166 is an apocalyptic number.

120654166 is a deficient number, since it is larger than the sum of its proper divisors (60327086).

120654166 is an equidigital number, since it uses as much as digits as its factorization.

120654166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60327085.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 120654166 is about 10984.2690243821. The cubic root of 120654166 is about 494.1370756105.

The spelling of 120654166 in words is "one hundred twenty million, six hundred fifty-four thousand, one hundred sixty-six".