125559142 has 8 divisors (see below), whose sum is σ = 188526600. Its totient is φ = 62716944.

The previous prime is 125559121. The next prime is 125559151. The reversal of 125559142 is 241955521.

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 = 125559098 and 125559107.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28767 + ... + 32842.

It is an arithmetic number, because the mean of its divisors is an integer number (23565825).

Almost surely, 2^125559142 is an apocalyptic number.

125559142 is a deficient number, since it is larger than the sum of its proper divisors (62967458).

125559142 is a wasteful number, since it uses less digits than its factorization.

125559142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62630.

The product of its digits is 18000, while the sum is 34.

The square root of 125559142 is about 11205.3175769364. The cubic root of 125559142 is about 500.7444138128.

The spelling of 125559142 in words is "one hundred twenty-five million, five hundred fifty-nine thousand, one hundred forty-two".