220120123 has 8 divisors (see below), whose sum is σ = 221952080. Its totient is φ = 218293920.

The previous prime is 220120081. The next prime is 220120127. The reversal of 220120123 is 321021022.

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 220120123 - 2²¹ = 218022971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220120127) 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, 107473 + ... + 109501.

It is an arithmetic number, because the mean of its divisors is an integer number (27744010).

Almost surely, 2^220120123 is an apocalyptic number.

220120123 is a deficient number, since it is larger than the sum of its proper divisors (1831957).

220120123 is a wasteful number, since it uses less digits than its factorization.

220120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220120123 is about 14836.4457670966. The cubic root of 220120123 is about 603.7909263879.

Adding to 220120123 its reverse (321021022), we get a palindrome (541141145).

The spelling of 220120123 in words is "two hundred twenty million, one hundred twenty thousand, one hundred twenty-three".