125333347724129 has 2 divisors, whose sum is σ = 125333347724130. Its totient is φ = 125333347724128.

The previous prime is 125333347724111. The next prime is 125333347724183. The reversal of 125333347724129 is 921427743333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79655214450529 + 45678133273600 = 8924977^2 + 6758560^2 .

It is a cyclic number.

It is not a de Polignac number, because 125333347724129 - 2²⁰ = 125333346675553 is a prime.

It is not a weakly prime, because it can be changed into another prime (125333347720129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62666673862064 + 62666673862065.

It is an arithmetic number, because the mean of its divisors is an integer number (62666673862065).

Almost surely, 2^{125333347724129} is an apocalyptic number.

It is an amenable number.

125333347724129 is a deficient number, since it is larger than the sum of its proper divisors (1).

125333347724129 is an equidigital number, since it uses as much as digits as its factorization.

125333347724129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 56.

The spelling of 125333347724129 in words is "one hundred twenty-five trillion, three hundred thirty-three billion, three hundred forty-seven million, seven hundred twenty-four thousand, one hundred twenty-nine".