100124942 has 4 divisors (see below), whose sum is σ = 150187416. Its totient is φ = 50062470.

The previous prime is 100124879. The next prime is 100124953. The reversal of 100124942 is 249421001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25031234 + ... + 25031237.

It is an arithmetic number, because the mean of its divisors is an integer number (37546854).

Almost surely, 2^100124942 is an apocalyptic number.

100124942 is a deficient number, since it is larger than the sum of its proper divisors (50062474).

100124942 is an equidigital number, since it uses as much as digits as its factorization.

100124942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062473.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 100124942 is about 10006.2451499051. The cubic root of 100124942 is about 464.3521127061.

Adding to 100124942 its reverse (249421001), we get a palindrome (349545943).

It can be divided in two parts, 1001 and 24942, that multiplied together give a palindrome (24966942).

The spelling of 100124942 in words is "one hundred million, one hundred twenty-four thousand, nine hundred forty-two".