125148251 has 2 divisors, whose sum is σ = 125148252. Its totient is φ = 125148250.

The previous prime is 125148227. The next prime is 125148281. The reversal of 125148251 is 152841521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125148251 - 2⁶ = 125148187 is a prime.

It is not a weakly prime, because it can be changed into another prime (125148281) 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, 62574125 + 62574126.

It is an arithmetic number, because the mean of its divisors is an integer number (62574126).

Almost surely, 2^125148251 is an apocalyptic number.

125148251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125148251 is an equidigital number, since it uses as much as digits as its factorization.

125148251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 29.

The square root of 125148251 is about 11186.9679091343. The cubic root of 125148251 is about 500.1975899062.

Adding to 125148251 its reverse (152841521), we get a palindrome (277989772).

The spelling of 125148251 in words is "one hundred twenty-five million, one hundred forty-eight thousand, two hundred fifty-one".