125625651 has 16 divisors (see below), whose sum is σ = 173871360. Its totient is φ = 80585120.

The previous prime is 125625649. The next prime is 125625707. The reversal of 125625651 is 156526521.

It is a cyclic number.

It is not a de Polignac number, because 125625651 - 2¹ = 125625649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125625611) 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 15 ways as a sum of consecutive naturals, for example, 24736 + ... + 29378.

It is an arithmetic number, because the mean of its divisors is an integer number (10866960).

Almost surely, 2^125625651 is an apocalyptic number.

125625651 is a deficient number, since it is larger than the sum of its proper divisors (48245709).

125625651 is a wasteful number, since it uses less digits than its factorization.

125625651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its digits is 18000, while the sum is 33.

The square root of 125625651 is about 11208.2849267852. The cubic root of 125625651 is about 500.8328134068.

The spelling of 125625651 in words is "one hundred twenty-five million, six hundred twenty-five thousand, six hundred fifty-one".