123129094000 has 160 divisors (see below), whose sum is σ = 327673045440. Its totient is φ = 44377088000.

The previous prime is 123129093947. The next prime is 123129094003. The reversal of 123129094000 is 490921321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123129094003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2461236 + ... + 2510764.

It is an arithmetic number, because the mean of its divisors is an integer number (2047956534).

Almost surely, 2^123129094000 is an apocalyptic number.

123129094000 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 123129094000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163836522720).

123129094000 is an abundant number, since it is smaller than the sum of its proper divisors (204543951440).

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

123129094000 is a wasteful number, since it uses less digits than its factorization.

123129094000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49676 (or 49660 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 123129094000 in words is "one hundred twenty-three billion, one hundred twenty-nine million, ninety-four thousand".