100424775 has 24 divisors (see below), whose sum is σ = 181131264. Its totient is φ = 48690400.

The previous prime is 100424749. The next prime is 100424783. The reversal of 100424775 is 577424001.

It is not a de Polignac number, because 100424775 - 2¹¹ = 100422727 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60039 + ... + 61688.

It is an arithmetic number, because the mean of its divisors is an integer number (7547136).

Almost surely, 2^100424775 is an apocalyptic number.

100424775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100424775 is a deficient number, since it is larger than the sum of its proper divisors (80706489).

100424775 is a wasteful number, since it uses less digits than its factorization.

100424775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121751 (or 121746 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 100424775 is about 10021.2162435505. The cubic root of 100424775 is about 464.8151652950.

Adding to 100424775 its reverse (577424001), we get a palindrome (677848776).

The spelling of 100424775 in words is "one hundred million, four hundred twenty-four thousand, seven hundred seventy-five".