125539247 has 8 divisors (see below), whose sum is σ = 126628320. Its totient is φ = 124454880.

The previous prime is 125539229. The next prime is 125539259. The reversal of 125539247 is 742935521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125539247 - 2¹⁰ = 125538223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125539247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125539207) 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 7 ways as a sum of consecutive naturals, for example, 69518 + ... + 71300.

It is an arithmetic number, because the mean of its divisors is an integer number (15828540).

Almost surely, 2^125539247 is an apocalyptic number.

125539247 is a deficient number, since it is larger than the sum of its proper divisors (1089073).

125539247 is a wasteful number, since it uses less digits than its factorization.

125539247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its digits is 75600, while the sum is 38.

The square root of 125539247 is about 11204.4297936129. The cubic root of 125539247 is about 500.7179645603.

The spelling of 125539247 in words is "one hundred twenty-five million, five hundred thirty-nine thousand, two hundred forty-seven".