125083551 has 16 divisors (see below), whose sum is σ = 171629280. Its totient is φ = 80995200.

The previous prime is 125083549. The next prime is 125083559. The reversal of 125083551 is 155380521.

It is not a de Polignac number, because 125083551 - 2¹ = 125083549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125083559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12165 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (10726830).

Almost surely, 2^125083551 is an apocalyptic number.

125083551 is a deficient number, since it is larger than the sum of its proper divisors (46545729).

125083551 is a wasteful number, since it uses less digits than its factorization.

125083551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 125083551 is about 11184.0757776403. The cubic root of 125083551 is about 500.1113765220. Note that the first 3 decimals are identical.

The spelling of 125083551 in words is "one hundred twenty-five million, eighty-three thousand, five hundred fifty-one".