100124431 has 8 divisors (see below), whose sum is σ = 110309328. Its totient is φ = 90120000.

The previous prime is 100124417. The next prime is 100124447. The reversal of 100124431 is 134421001.

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

It is a cyclic number.

It is not a de Polignac number, because 100124431 - 2⁷ = 100124303 is a prime.

It is a super-2 number, since 2×100124431² = 20049803366147522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100124411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43950 + ... + 46171.

It is an arithmetic number, because the mean of its divisors is an integer number (13788666).

Almost surely, 2^100124431 is an apocalyptic number.

100124431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100124431 is a deficient number, since it is larger than the sum of its proper divisors (10184897).

100124431 is a wasteful number, since it uses less digits than its factorization.

100124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90233.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100124431 is about 10006.2196158190. The cubic root of 100124431 is about 464.3513227453.

Adding to 100124431 its reverse (134421001), we get a palindrome (234545432).

The spelling of 100124431 in words is "one hundred million, one hundred twenty-four thousand, four hundred thirty-one".