100234421 has 8 divisors (see below), whose sum is σ = 114946944. Its totient is φ = 85620240.

The previous prime is 100234417. The next prime is 100234427. The reversal of 100234421 is 124432001.

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 100234421 - 2² = 100234417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100234421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100234427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22385 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (14368368).

Almost surely, 2^100234421 is an apocalyptic number.

It is an amenable number.

100234421 is a deficient number, since it is larger than the sum of its proper divisors (14712523).

100234421 is an equidigital number, since it uses as much as digits as its factorization.

100234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49171.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100234421 is about 10011.7141888889. The cubic root of 100234421 is about 464.5212956171.

Adding to 100234421 its reverse (124432001), we get a palindrome (224666422).

The spelling of 100234421 in words is "one hundred million, two hundred thirty-four thousand, four hundred twenty-one".