125384251 has 2 divisors, whose sum is σ = 125384252. Its totient is φ = 125384250.

The previous prime is 125384221. The next prime is 125384317. The reversal of 125384251 is 152483521.

It is a weak prime.

It is an emirp because it is prime and its reverse (152483521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125384251 - 2⁷ = 125384123 is a prime.

It is not a weakly prime, because it can be changed into another prime (125384221) 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, 62692125 + 62692126.

It is an arithmetic number, because the mean of its divisors is an integer number (62692126).

Almost surely, 2^125384251 is an apocalyptic number.

125384251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125384251 is an equidigital number, since it uses as much as digits as its factorization.

125384251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 125384251 is about 11197.5109287734. The cubic root of 125384251 is about 500.5118105878.

The spelling of 125384251 in words is "one hundred twenty-five million, three hundred eighty-four thousand, two hundred fifty-one".