100125442 has 8 divisors (see below), whose sum is σ = 150242832. Its totient is φ = 50044500.

The previous prime is 100125433. The next prime is 100125449. The reversal of 100125442 is 244521001.

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

It is not an unprimeable number, because it can be changed into a prime (100125449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 14167.

It is an arithmetic number, because the mean of its divisors is an integer number (18780354).

Almost surely, 2^100125442 is an apocalyptic number.

100125442 is a deficient number, since it is larger than the sum of its proper divisors (50117390).

100125442 is a wasteful number, since it uses less digits than its factorization.

100125442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18224.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100125442 is about 10006.2701342708. The cubic root of 100125442 is about 464.3528856592.

Adding to 100125442 its reverse (244521001), we get a palindrome (344646443).

The spelling of 100125442 in words is "one hundred million, one hundred twenty-five thousand, four hundred forty-two".