125492542 has 8 divisors (see below), whose sum is σ = 215130096. Its totient is φ = 53782512.

The previous prime is 125492509. The next prime is 125492551. The reversal of 125492542 is 245294521.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 125492498 and 125492507.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4481863 + ... + 4481890.

It is an arithmetic number, because the mean of its divisors is an integer number (26891262).

Almost surely, 2^125492542 is an apocalyptic number.

125492542 is a deficient number, since it is larger than the sum of its proper divisors (89637554).

125492542 is an equidigital number, since it uses as much as digits as its factorization.

125492542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963762.

The product of its digits is 28800, while the sum is 34.

The square root of 125492542 is about 11202.3453794284. The cubic root of 125492542 is about 500.6558619806.

The spelling of 125492542 in words is "one hundred twenty-five million, four hundred ninety-two thousand, five hundred forty-two".