120221143 has 8 divisors (see below), whose sum is σ = 140747040. Its totient is φ = 100533120.

The previous prime is 120221137. The next prime is 120221147. The reversal of 120221143 is 341122021.

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

It is a cyclic number.

It is not a de Polignac number, because 120221143 - 2¹³ = 120212951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221147) 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 7 ways as a sum of consecutive naturals, for example, 209158 + ... + 209731.

It is an arithmetic number, because the mean of its divisors is an integer number (17593380).

Almost surely, 2^120221143 is an apocalyptic number.

120221143 is a deficient number, since it is larger than the sum of its proper divisors (20525897).

120221143 is an equidigital number, since it uses as much as digits as its factorization.

120221143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418937.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120221143 is about 10964.5402548397. The cubic root of 120221143 is about 493.5452208975.

Adding to 120221143 its reverse (341122021), we get a palindrome (461343164).

The spelling of 120221143 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred forty-three".