125400151 has 2 divisors, whose sum is σ = 125400152. Its totient is φ = 125400150.

The previous prime is 125400047. The next prime is 125400157. The reversal of 125400151 is 151004521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125400151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125400157) 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, 62700075 + 62700076.

It is an arithmetic number, because the mean of its divisors is an integer number (62700076).

Almost surely, 2^125400151 is an apocalyptic number.

125400151 is a deficient number, since it is larger than the sum of its proper divisors (1).

125400151 is an equidigital number, since it uses as much as digits as its factorization.

125400151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 125400151 is about 11198.2208854800. The cubic root of 125400151 is about 500.5329663585.

Adding to 125400151 its reverse (151004521), we get a palindrome (276404672).

The spelling of 125400151 in words is "one hundred twenty-five million, four hundred thousand, one hundred fifty-one".