100432401 has 4 divisors (see below), whose sum is σ = 133909872. Its totient is φ = 66954932.

The previous prime is 100432357. The next prime is 100432417. The reversal of 100432401 is 104234001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100432401 - 2¹⁵ = 100399633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100432441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16738731 + ... + 16738736.

It is an arithmetic number, because the mean of its divisors is an integer number (33477468).

Almost surely, 2^100432401 is an apocalyptic number.

It is an amenable number.

100432401 is a deficient number, since it is larger than the sum of its proper divisors (33477471).

100432401 is an equidigital number, since it uses as much as digits as its factorization.

100432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33477470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100432401 is about 10021.5967290647. The cubic root of 100432401 is about 464.8269306212.

Adding to 100432401 its reverse (104234001), we get a palindrome (204666402).

The spelling of 100432401 in words is "one hundred million, four hundred thirty-two thousand, four hundred one".