125803542 has 16 divisors (see below), whose sum is σ = 251970480. Its totient is φ = 41873952.

The previous prime is 125803511. The next prime is 125803571. The reversal of 125803542 is 245308521.

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 7 ways as a sum of consecutive naturals, for example, 10533 + ... + 19040.

It is an arithmetic number, because the mean of its divisors is an integer number (15748155).

Almost surely, 2^125803542 is an apocalyptic number.

125803542 is an abundant number, since it is smaller than the sum of its proper divisors (126166938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125803542 is a wasteful number, since it uses less digits than its factorization.

125803542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30287.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 125803542 is about 11216.2178117225. The cubic root of 125803542 is about 501.0691017470.

The spelling of 125803542 in words is "one hundred twenty-five million, eight hundred three thousand, five hundred forty-two".