1231725694080 has 256 divisors, whose sum is σ = 4493158099200. Its totient is φ = 281150963712.

The previous prime is 1231725694079. The next prime is 1231725694139. The reversal of 1231725694080 is 804965271321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9789006 + ... + 9914034.

It is an arithmetic number, because the mean of its divisors is an integer number (17551398825).

It is a 1-persistent number, because it is pandigital, but 2⋅1231725694080 = 2463451388160 is not.

Almost surely, 2^{1231725694080} is an apocalyptic number.

1231725694080 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 1231725694080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246579049600).

1231725694080 is an abundant number, since it is smaller than the sum of its proper divisors (3261432405120).

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

1231725694080 is a wasteful number, since it uses less digits than its factorization.

1231725694080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125791 (or 125779 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1231725694080 in words is "one trillion, two hundred thirty-one billion, seven hundred twenty-five million, six hundred ninety-four thousand, eighty".