1273726113750 has 280 divisors, whose sum is σ = 3735265819824. Its totient is φ = 324887112000.

The previous prime is 1273726113733. The next prime is 1273726113761. The reversal of 1273726113750 is 573116273721.

1273726113750 is a `hidden beast` number, since 1 + 27 + 3 + 7 + 2 + 611 + 3 + 7 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1273726113696 and 1273726113705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 20928364 + ... + 20989136.

Almost surely, 2^{1273726113750} is an apocalyptic number.

1273726113750 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 1273726113750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867632909912).

1273726113750 is an abundant number, since it is smaller than the sum of its proper divisors (2461539706074).

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

1273726113750 is an frugal number, since it uses more digits than its factorization.

1273726113750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60836 (or 60806 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 1273726113750 in words is "one trillion, two hundred seventy-three billion, seven hundred twenty-six million, one hundred thirteen thousand, seven hundred fifty".