125321613743 has 2 divisors, whose sum is σ = 125321613744. Its totient is φ = 125321613742.

The previous prime is 125321613707. The next prime is 125321613773. The reversal of 125321613743 is 347316123521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125321613743 - 2²² = 125317419439 is a prime.

It is a super-2 number, since 2×125321613743² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125321613697 and 125321613706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125321613773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660806871 + 62660806872.

It is an arithmetic number, because the mean of its divisors is an integer number (62660806872).

Almost surely, 2^125321613743 is an apocalyptic number.

125321613743 is a deficient number, since it is larger than the sum of its proper divisors (1).

125321613743 is an equidigital number, since it uses as much as digits as its factorization.

125321613743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The spelling of 125321613743 in words is "one hundred twenty-five billion, three hundred twenty-one million, six hundred thirteen thousand, seven hundred forty-three".