123141120 has 88 divisors (see below), whose sum is σ = 393908304. Its totient is φ = 32833536.

The previous prime is 123141107. The next prime is 123141131. The reversal of 123141120 is 21141321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123141120.

It is a congruent number.

It is an unprimeable number.

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, 11352 + ... + 19368.

Almost surely, 2^123141120 is an apocalyptic number.

123141120 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 123141120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196954152).

123141120 is an abundant number, since it is smaller than the sum of its proper divisors (270767184).

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

123141120 is an equidigital number, since it uses as much as digits as its factorization.

123141120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 123141120 is about 11096.8968635380. The cubic root of 123141120 is about 497.5091048223.

Adding to 123141120 its reverse (21141321), we get a palindrome (144282441).

The spelling of 123141120 in words is "one hundred twenty-three million, one hundred forty-one thousand, one hundred twenty".