100125042 has 8 divisors (see below), whose sum is σ = 200250096. Its totient is φ = 33375012.

The previous prime is 100125029. The next prime is 100125043. The reversal of 100125042 is 240521001.

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

100125042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (100125043) 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, 8343748 + ... + 8343759.

It is an arithmetic number, because the mean of its divisors is an integer number (25031262).

Almost surely, 2^100125042 is an apocalyptic number.

100125042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100125042 is a wasteful number, since it uses less digits than its factorization.

100125042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16687512.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100125042 is about 10006.2501467833. The cubic root of 100125042 is about 464.3522672969.

Adding to 100125042 its reverse (240521001), we get a palindrome (340646043).

The spelling of 100125042 in words is "one hundred million, one hundred twenty-five thousand, forty-two".