120172270 has 8 divisors (see below), whose sum is σ = 216310104. Its totient is φ = 48068904.

The previous prime is 120172249. The next prime is 120172277. The reversal of 120172270 is 72271021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120172277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008604 + ... + 6008623.

It is an arithmetic number, because the mean of its divisors is an integer number (27038763).

Almost surely, 2^120172270 is an apocalyptic number.

120172270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120172270 is a deficient number, since it is larger than the sum of its proper divisors (96137834).

120172270 is a wasteful number, since it uses less digits than its factorization.

120172270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017234.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 120172270 is about 10962.3113438727. The cubic root of 120172270 is about 493.4783322058.

The spelling of 120172270 in words is "one hundred twenty million, one hundred seventy-two thousand, two hundred seventy".