125838452947007 has 2 divisors, whose sum is σ = 125838452947008. Its totient is φ = 125838452947006.

The previous prime is 125838452947001. The next prime is 125838452947021. The reversal of 125838452947007 is 700749254838521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125838452947007 - 2⁴ = 125838452946991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125838452947001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62919226473503 + 62919226473504.

It is an arithmetic number, because the mean of its divisors is an integer number (62919226473504).

Almost surely, 2^{125838452947007} is an apocalyptic number.

125838452947007 is a deficient number, since it is larger than the sum of its proper divisors (1).

125838452947007 is an equidigital number, since it uses as much as digits as its factorization.

125838452947007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135475200, while the sum is 65.

The spelling of 125838452947007 in words is "one hundred twenty-five trillion, eight hundred thirty-eight billion, four hundred fifty-two million, nine hundred forty-seven thousand, seven".