125074231691 has 2 divisors, whose sum is σ = 125074231692. Its totient is φ = 125074231690.

The previous prime is 125074231613. The next prime is 125074231703. The reversal of 125074231691 is 196132470521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125074231691 - 2¹⁸ = 125073969547 is a prime.

It is not a weakly prime, because it can be changed into another prime (125074201691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62537115845 + 62537115846.

It is an arithmetic number, because the mean of its divisors is an integer number (62537115846).

Almost surely, 2^125074231691 is an apocalyptic number.

125074231691 is a deficient number, since it is larger than the sum of its proper divisors (1).

125074231691 is an equidigital number, since it uses as much as digits as its factorization.

125074231691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 125074231691 in words is "one hundred twenty-five billion, seventy-four million, two hundred thirty-one thousand, six hundred ninety-one".