125352391 has 2 divisors, whose sum is σ = 125352392. Its totient is φ = 125352390.

The previous prime is 125352361. The next prime is 125352427. The reversal of 125352391 is 193253521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125352391 - 2¹¹ = 125350343 is a prime.

It is equal to p_7129075 and since 125352391 and 7129075 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125352301) 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, 62676195 + 62676196.

It is an arithmetic number, because the mean of its divisors is an integer number (62676196).

Almost surely, 2^125352391 is an apocalyptic number.

125352391 is a deficient number, since it is larger than the sum of its proper divisors (1).

125352391 is an equidigital number, since it uses as much as digits as its factorization.

125352391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 125352391 is about 11196.0882007958. The cubic root of 125352391 is about 500.4694138301.

The spelling of 125352391 in words is "one hundred twenty-five million, three hundred fifty-two thousand, three hundred ninety-one".