120201123 has 16 divisors (see below), whose sum is σ = 188115200. Its totient is φ = 66829536.

The previous prime is 120201119. The next prime is 120201127. The reversal of 120201123 is 321102021.

It is an interprime number because it is at equal distance from previous prime (120201119) and next prime (120201127).

It is not a de Polignac number, because 120201123 - 2² = 120201119 is a prime.

It is a super-2 number, since 2×120201123² = 28896619940922258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120201099 and 120201108.

It is not an unprimeable number, because it can be changed into a prime (120201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76573 + ... + 78126.

It is an arithmetic number, because the mean of its divisors is an integer number (11757200).

Almost surely, 2^120201123 is an apocalyptic number.

120201123 is a deficient number, since it is larger than the sum of its proper divisors (67914077).

120201123 is a wasteful number, since it uses less digits than its factorization.

120201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154746.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120201123 is about 10963.6272738542. The cubic root of 120201123 is about 493.5178232657.

Adding to 120201123 its reverse (321102021), we get a palindrome (441303144).

The spelling of 120201123 in words is "one hundred twenty million, two hundred one thousand, one hundred twenty-three".