125412542 has 8 divisors (see below), whose sum is σ = 189317496. Its totient is φ = 62306712.

The previous prime is 125412541. The next prime is 125412557. The reversal of 125412542 is 245214521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125412541) by changing a digit.

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, 199388 + ... + 200015.

It is an arithmetic number, because the mean of its divisors is an integer number (23664687).

Almost surely, 2^125412542 is an apocalyptic number.

125412542 is a deficient number, since it is larger than the sum of its proper divisors (63904954).

125412542 is a wasteful number, since it uses less digits than its factorization.

125412542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399562.

The product of its digits is 3200, while the sum is 26.

The square root of 125412542 is about 11198.7741293411. The cubic root of 125412542 is about 500.5494519839.

The spelling of 125412542 in words is "one hundred twenty-five million, four hundred twelve thousand, five hundred forty-two".