100434291 has 4 divisors (see below), whose sum is σ = 133912392. Its totient is φ = 66956192.

The previous prime is 100434281. The next prime is 100434329. The reversal of 100434291 is 192434001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100434291 - 2⁵ = 100434259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100434211) 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, 16739046 + ... + 16739051.

It is an arithmetic number, because the mean of its divisors is an integer number (33478098).

Almost surely, 2^100434291 is an apocalyptic number.

100434291 is a deficient number, since it is larger than the sum of its proper divisors (33478101).

100434291 is an equidigital number, since it uses as much as digits as its factorization.

100434291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33478100.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 100434291 is about 10021.6910249718. The cubic root of 100434291 is about 464.8298464047.

Adding to 100434291 its reverse (192434001), we get a palindrome (292868292).

The spelling of 100434291 in words is "one hundred million, four hundred thirty-four thousand, two hundred ninety-one".