123034120 has 64 divisors (see below), whose sum is σ = 317908800. Its totient is φ = 42382080.

The previous prime is 123034111. The next prime is 123034123. The reversal of 123034120 is 21430321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123034094 and 123034103.

It is not an unprimeable number, because it can be changed into a prime (123034123) 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, 1002 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (4967325).

Almost surely, 2^123034120 is an apocalyptic number.

123034120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123034120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158954400).

123034120 is an abundant number, since it is smaller than the sum of its proper divisors (194874680).

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

123034120 is a wasteful number, since it uses less digits than its factorization.

123034120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14758 (or 14754 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123034120 is about 11092.0746481441. The cubic root of 123034120 is about 497.3649642346.

Adding to 123034120 its reverse (21430321), we get a palindrome (144464441).

The spelling of 123034120 in words is "one hundred twenty-three million, thirty-four thousand, one hundred twenty".