125744134727 has 2 divisors, whose sum is σ = 125744134728. Its totient is φ = 125744134726.

The previous prime is 125744134723. The next prime is 125744134751. The reversal of 125744134727 is 727431447521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125744134727 - 2² = 125744134723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125744134723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62872067363 + 62872067364.

It is an arithmetic number, because the mean of its divisors is an integer number (62872067364).

Almost surely, 2^125744134727 is an apocalyptic number.

125744134727 is a deficient number, since it is larger than the sum of its proper divisors (1).

125744134727 is an equidigital number, since it uses as much as digits as its factorization.

125744134727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 47.

The spelling of 125744134727 in words is "one hundred twenty-five billion, seven hundred forty-four million, one hundred thirty-four thousand, seven hundred twenty-seven".