120123066 has 32 divisors (see below), whose sum is σ = 286507008. Its totient is φ = 32828400.

The previous prime is 120123061. The next prime is 120123079. The reversal of 120123066 is 660321021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120123061) 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, 61210 + ... + 63141.

It is an arithmetic number, because the mean of its divisors is an integer number (8953344).

Almost surely, 2^120123066 is an apocalyptic number.

120123066 is an abundant number, since it is smaller than the sum of its proper divisors (166383942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120123066 is a wasteful number, since it uses less digits than its factorization.

120123066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124386.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 120123066 is about 10960.0668793580. The cubic root of 120123066 is about 493.4109721774.

Adding to 120123066 its reverse (660321021), we get a palindrome (780444087).

The spelling of 120123066 in words is "one hundred twenty million, one hundred twenty-three thousand, sixty-six".