123346120 has 16 divisors (see below), whose sum is σ = 277528860. Its totient is φ = 49338432.

The previous prime is 123346109. The next prime is 123346121. The reversal of 123346120 is 21643321.

It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 2390116 = 10998^2 + 1546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123346091 and 123346100.

It is not an unprimeable number, because it can be changed into a prime (123346121) 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 3 ways as a sum of consecutive naturals, for example, 1541787 + ... + 1541866.

Almost surely, 2^123346120 is an apocalyptic number.

123346120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123346120 is an abundant number, since it is smaller than the sum of its proper divisors (154182740).

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

123346120 is a wasteful number, since it uses less digits than its factorization.

123346120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083664 (or 3083660 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123346120 is about 11106.1298389673. The cubic root of 123346120 is about 497.7850289624.

Adding to 123346120 its reverse (21643321), we get a palindrome (144989441).

The spelling of 123346120 in words is "one hundred twenty-three million, three hundred forty-six thousand, one hundred twenty".