125042547 has 8 divisors (see below), whose sum is σ = 190541056. Its totient is φ = 71452872.

The previous prime is 125042537. The next prime is 125042551. The reversal of 125042547 is 745240521.

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

It is not a de Polignac number, because 125042547 - 2⁶ = 125042483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125042527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977183 + ... + 2977224.

It is an arithmetic number, because the mean of its divisors is an integer number (23817632).

Almost surely, 2^125042547 is an apocalyptic number.

125042547 is a deficient number, since it is larger than the sum of its proper divisors (65498509).

125042547 is an equidigital number, since it uses as much as digits as its factorization.

125042547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954417.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 125042547 is about 11182.2424852978. The cubic root of 125042547 is about 500.0567228981.

It can be divided in two parts, 12504 and 2547, that added together give a palindrome (15051).

The spelling of 125042547 in words is "one hundred twenty-five million, forty-two thousand, five hundred forty-seven".