125134033391 has 2 divisors, whose sum is σ = 125134033392. Its totient is φ = 125134033390.

The previous prime is 125134033379. The next prime is 125134033429. The reversal of 125134033391 is 193330431521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125134033391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125134033361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567016695 + 62567016696.

It is an arithmetic number, because the mean of its divisors is an integer number (62567016696).

Almost surely, 2^125134033391 is an apocalyptic number.

125134033391 is a deficient number, since it is larger than the sum of its proper divisors (1).

125134033391 is an equidigital number, since it uses as much as digits as its factorization.

125134033391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 125134033391 in words is "one hundred twenty-five billion, one hundred thirty-four million, thirty-three thousand, three hundred ninety-one".