123885104 has 40 divisors (see below), whose sum is σ = 277006080. Its totient is φ = 52573248.

The previous prime is 123885101. The next prime is 123885119. The reversal of 123885104 is 401588321.

It is not an unprimeable number, because it can be changed into a prime (123885101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6167 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (6925152).

Almost surely, 2^123885104 is an apocalyptic number.

123885104 is a gapful number since it is divisible by the number (14) 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 123885104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138503040).

123885104 is an abundant number, since it is smaller than the sum of its proper divisors (153120976).

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

123885104 is a wasteful number, since it uses less digits than its factorization.

123885104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857 (or 10851 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 123885104 is about 11130.3685473573. The cubic root of 123885104 is about 498.5090304387.

The spelling of 123885104 in words is "one hundred twenty-three million, eight hundred eighty-five thousand, one hundred four".