125843002753 has 4 divisors (see below), whose sum is σ = 135523233748. Its totient is φ = 116162771760.

The previous prime is 125843002721. The next prime is 125843002757. The reversal of 125843002753 is 357200348521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357200348521 = 79 ⋅4521523399.

It can be written as a sum of positive squares in 2 ways, for example, as 83253600369 + 42589402384 = 288537^2 + 206372^2 .

It is a cyclic number.

It is not a de Polignac number, because 125843002753 - 2⁵ = 125843002721 is a prime.

It is a super-2 number, since 2×125843002753² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125843002757) 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 3 ways as a sum of consecutive naturals, for example, 4840115478 + ... + 4840115503.

It is an arithmetic number, because the mean of its divisors is an integer number (33880808437).

Almost surely, 2^125843002753 is an apocalyptic number.

125843002753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125843002753 is a deficient number, since it is larger than the sum of its proper divisors (9680230995).

125843002753 is an equidigital number, since it uses as much as digits as its factorization.

125843002753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680230994.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 125843002753 in words is "one hundred twenty-five billion, eight hundred forty-three million, two thousand, seven hundred fifty-three".