120172146 has 8 divisors (see below), whose sum is σ = 240344304. Its totient is φ = 40057380.

The previous prime is 120172141. The next prime is 120172159. The reversal of 120172146 is 641271021.

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

120172146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (120172141) 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, 10014340 + ... + 10014351.

It is an arithmetic number, because the mean of its divisors is an integer number (30043038).

Almost surely, 2^120172146 is an apocalyptic number.

120172146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120172146 is a wasteful number, since it uses less digits than its factorization.

120172146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028696.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 120172146 is about 10962.3056881297. The cubic root of 120172146 is about 493.4781624735.

The spelling of 120172146 in words is "one hundred twenty million, one hundred seventy-two thousand, one hundred forty-six".