123601271250 has 80 divisors (see below), whose sum is σ = 309538041120. Its totient is φ = 32892720000.

The previous prime is 123601271249. The next prime is 123601271251. The reversal of 123601271250 is 52172106321.

123601271250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (123601271249) and next prime (123601271251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (123601271251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1807686 + ... + 1874814.

It is an arithmetic number, because the mean of its divisors is an integer number (3869225514).

Almost surely, 2^123601271250 is an apocalyptic number.

123601271250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123601271250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154769020560).

123601271250 is an abundant number, since it is smaller than the sum of its proper divisors (185936769870).

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

123601271250 is an equidigital number, since it uses as much as digits as its factorization.

123601271250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67645 (or 67630 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 123601271250 its reverse (52172106321), we get a palindrome (175773377571).

The spelling of 123601271250 in words is "one hundred twenty-three billion, six hundred one million, two hundred seventy-one thousand, two hundred fifty".