120001123 has 8 divisors (see below), whose sum is σ = 132704496. Its totient is φ = 107596800.

The previous prime is 120001121. The next prime is 120001153. The reversal of 120001123 is 321100021.

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 120001123 - 2¹ = 120001121 is a prime.

It is a super-2 number, since 2×120001123² = 28800539042522258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73918 + ... + 75523.

It is an arithmetic number, because the mean of its divisors is an integer number (16588062).

Almost surely, 2^120001123 is an apocalyptic number.

120001123 is a deficient number, since it is larger than the sum of its proper divisors (12703373).

120001123 is a wasteful number, since it uses less digits than its factorization.

120001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149525.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120001123 is about 10954.5024076861. The cubic root of 120001123 is about 493.2439535036.

Adding to 120001123 its reverse (321100021), we get a palindrome (441101144).

The spelling of 120001123 in words is "one hundred twenty million, one thousand, one hundred twenty-three".