120221123 has 12 divisors (see below), whose sum is σ = 132633984. Its totient is φ = 108886800.

The previous prime is 120221117. The next prime is 120221137. The reversal of 120221123 is 321122021.

It is a happy number.

It is not a de Polignac number, because 120221123 - 2¹⁰ = 120220099 is a prime.

It is a super-2 number, since 2×120221123² = 28906236830762258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221098 and 120221107.

It is not an unprimeable number, because it can be changed into a prime (120221323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33758 + ... + 37148.

It is an arithmetic number, because the mean of its divisors is an integer number (11052832).

Almost surely, 2^120221123 is an apocalyptic number.

120221123 is a deficient number, since it is larger than the sum of its proper divisors (12412861).

120221123 is a wasteful number, since it uses less digits than its factorization.

120221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120221123 is about 10964.5393428087. The cubic root of 120221123 is about 493.5451935288.

Adding to 120221123 its reverse (321122021), we get a palindrome (441343144).

The spelling of 120221123 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-three".