120201172 has 96 divisors (see below), whose sum is σ = 273772800. Its totient is φ = 44900352.

The previous prime is 120201127. The next prime is 120201173. The reversal of 120201172 is 271102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622708 + ... + 622900.

It is an arithmetic number, because the mean of its divisors is an integer number (2851800).

Almost surely, 2^120201172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120201172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136886400).

120201172 is an abundant number, since it is smaller than the sum of its proper divisors (153571628).

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

120201172 is a wasteful number, since it uses less digits than its factorization.

120201172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 120201172 is about 10963.6295085159. The cubic root of 120201172 is about 493.5178903265.

Adding to 120201172 its reverse (271102021), we get a palindrome (391303193).

The spelling of 120201172 in words is "one hundred twenty million, two hundred one thousand, one hundred seventy-two".