125305151 has 2 divisors, whose sum is σ = 125305152. Its totient is φ = 125305150.

The previous prime is 125305123. The next prime is 125305207. The reversal of 125305151 is 151503521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125305151 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125305121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62652575 + 62652576.

It is an arithmetic number, because the mean of its divisors is an integer number (62652576).

Almost surely, 2^125305151 is an apocalyptic number.

125305151 is a deficient number, since it is larger than the sum of its proper divisors (1).

125305151 is an equidigital number, since it uses as much as digits as its factorization.

125305151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 125305151 is about 11193.9783365879. The cubic root of 125305151 is about 500.4065373652.

Adding to 125305151 its reverse (151503521), we get a palindrome (276808672).

The spelling of 125305151 in words is "one hundred twenty-five million, three hundred five thousand, one hundred fifty-one".