100078424 has 32 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 49337856.

The previous prime is 100078411. The next prime is 100078441. The reversal of 100078424 is 424870001.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 100078393 and 100078402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230912 + ... + 231344.

It is an arithmetic number, because the mean of its divisors is an integer number (5946885).

Almost surely, 2^100078424 is an apocalyptic number.

It is an amenable number.

100078424 is a deficient number, since it is larger than the sum of its proper divisors (90221896).

100078424 is a wasteful number, since it uses less digits than its factorization.

100078424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 100078424 is about 10003.9204315108. The cubic root of 100078424 is about 464.2801889768.

The spelling of 100078424 in words is "one hundred million, seventy-eight thousand, four hundred twenty-four".