100231127 has 4 divisors (see below), whose sum is σ = 100254336. Its totient is φ = 100207920.

The previous prime is 100231121. The next prime is 100231139. The reversal of 100231127 is 721132001.

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 100231127 - 2⁶ = 100231063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (25063584).

Almost surely, 2^100231127 is an apocalyptic number.

100231127 is a deficient number, since it is larger than the sum of its proper divisors (23209).

100231127 is an equidigital number, since it uses as much as digits as its factorization.

100231127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23208.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 100231127 is about 10011.5496802443. The cubic root of 100231127 is about 464.5162070461.

Adding to 100231127 its reverse (721132001), we get a palindrome (821363128).

The spelling of 100231127 in words is "one hundred million, two hundred thirty-one thousand, one hundred twenty-seven".