125367691 has 2 divisors, whose sum is σ = 125367692. Its totient is φ = 125367690.

The previous prime is 125367679. The next prime is 125367703. The reversal of 125367691 is 196763521.

It is a balanced prime because it is at equal distance from previous prime (125367679) and next prime (125367703).

It is a cyclic number.

It is not a de Polignac number, because 125367691 - 2¹⁹ = 124843403 is a prime.

It is not a weakly prime, because it can be changed into another prime (125367601) 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, 62683845 + 62683846.

It is an arithmetic number, because the mean of its divisors is an integer number (62683846).

Almost surely, 2^125367691 is an apocalyptic number.

125367691 is a deficient number, since it is larger than the sum of its proper divisors (1).

125367691 is an equidigital number, since it uses as much as digits as its factorization.

125367691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 125367691 is about 11196.7714543077. The cubic root of 125367691 is about 500.4897747514.

The spelling of 125367691 in words is "one hundred twenty-five million, three hundred sixty-seven thousand, six hundred ninety-one".