125237775743 has 4 divisors (see below), whose sum is σ = 125448969888. Its totient is φ = 125026581600.

The previous prime is 125237775703. The next prime is 125237775757. The reversal of 125237775743 is 347577732521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125237775743 - 2⁶ = 125237775679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125237775703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105596183 + ... + 105597368.

It is an arithmetic number, because the mean of its divisors is an integer number (31362242472).

Almost surely, 2^125237775743 is an apocalyptic number.

125237775743 is a deficient number, since it is larger than the sum of its proper divisors (211194145).

125237775743 is an equidigital number, since it uses as much as digits as its factorization.

125237775743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211194144.

The product of its digits is 8643600, while the sum is 53.

The spelling of 125237775743 in words is "one hundred twenty-five billion, two hundred thirty-seven million, seven hundred seventy-five thousand, seven hundred forty-three".