125120151 has 24 divisors (see below), whose sum is σ = 199386096. Its totient is φ = 75116160.

The previous prime is 125120137. The next prime is 125120167. The reversal of 125120151 is 151021521.

125120151 is a `hidden beast` number, since 1 + 2 + 512 + 0 + 151 = 666.

It is not a de Polignac number, because 125120151 - 2⁶ = 125120087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125120131) 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 in 23 ways as a sum of consecutive naturals, for example, 8245 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (8307754).

Almost surely, 2^125120151 is an apocalyptic number.

125120151 is a deficient number, since it is larger than the sum of its proper divisors (74265945).

125120151 is a wasteful number, since it uses less digits than its factorization.

125120151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26143 (or 26140 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 125120151 is about 11185.7119129718. The cubic root of 125120151 is about 500.1601500318.

Adding to 125120151 its reverse (151021521), we get a palindrome (276141672).

The spelling of 125120151 in words is "one hundred twenty-five million, one hundred twenty thousand, one hundred fifty-one".