123381060 has 96 divisors (see below), whose sum is σ = 396748800. Its totient is φ = 28333440.

The previous prime is 123381059. The next prime is 123381067. The reversal of 123381060 is 60183321.

It is a self number, because there is not a number n which added to its sum of digits gives 123381060.

It is not an unprimeable number, because it can be changed into a prime (123381067) 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 31 ways as a sum of consecutive naturals, for example, 7621 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (4132800).

Almost surely, 2^123381060 is an apocalyptic number.

123381060 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 123381060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198374400).

123381060 is an abundant number, since it is smaller than the sum of its proper divisors (273367740).

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

123381060 is a wasteful number, since it uses less digits than its factorization.

123381060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 123381060 is about 11107.7027327886. The cubic root of 123381060 is about 497.8320267032.

It can be divided in two parts, 123 and 381060, that added together give a palindrome (381183).

The spelling of 123381060 in words is "one hundred twenty-three million, three hundred eighty-one thousand, sixty".