123010120 has 16 divisors (see below), whose sum is σ = 276772860. Its totient is φ = 49204032.

The previous prime is 123010109. The next prime is 123010157. The reversal of 123010120 is 21010321.

It can be written as a sum of positive squares in 2 ways, for example, as 122014116 + 996004 = 11046^2 + 998^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 123010097 and 123010106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537587 + ... + 1537666.

Almost surely, 2^123010120 is an apocalyptic number.

123010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123010120 is an abundant number, since it is smaller than the sum of its proper divisors (153762740).

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

123010120 is a wasteful number, since it uses less digits than its factorization.

123010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075264 (or 3075260 counting only the distinct ones).

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

The square root of 123010120 is about 11090.9927418604. The cubic root of 123010120 is about 497.3326221618.

Adding to 123010120 its reverse (21010321), we get a palindrome (144020441).

The spelling of 123010120 in words is "one hundred twenty-three million, ten thousand, one hundred twenty".