125240235671 has 2 divisors, whose sum is σ = 125240235672. Its totient is φ = 125240235670.

The previous prime is 125240235667. The next prime is 125240235719. The reversal of 125240235671 is 176532042521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125240235671 - 2² = 125240235667 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125240235641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62620117835 + 62620117836.

It is an arithmetic number, because the mean of its divisors is an integer number (62620117836).

Almost surely, 2^125240235671 is an apocalyptic number.

125240235671 is a deficient number, since it is larger than the sum of its proper divisors (1).

125240235671 is an equidigital number, since it uses as much as digits as its factorization.

125240235671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 125240235671 in words is "one hundred twenty-five billion, two hundred forty million, two hundred thirty-five thousand, six hundred seventy-one".