120217272 has 32 divisors (see below), whose sum is σ = 343478400. Its totient is φ = 34347744.

The previous prime is 120217261. The next prime is 120217277. The reversal of 120217272 is 272712021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120217277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357622 + ... + 357957.

It is an arithmetic number, because the mean of its divisors is an integer number (10733700).

Almost surely, 2^120217272 is an apocalyptic number.

120217272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120217272 is an abundant number, since it is smaller than the sum of its proper divisors (223261128).

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

120217272 is a wasteful number, since it uses less digits than its factorization.

120217272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715595 (or 715591 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 120217272 is about 10964.3637298295. The cubic root of 120217272 is about 493.5399236206.

Adding to 120217272 its reverse (272712021), we get a palindrome (392929293).

The spelling of 120217272 in words is "one hundred twenty million, two hundred seventeen thousand, two hundred seventy-two".