100125271 has 2 divisors, whose sum is σ = 100125272. Its totient is φ = 100125270.

The previous prime is 100125247. The next prime is 100125281. The reversal of 100125271 is 172521001.

It is a strong prime.

It is an emirp because it is prime and its reverse (172521001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100125271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100125241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50062635 + 50062636.

It is an arithmetic number, because the mean of its divisors is an integer number (50062636).

Almost surely, 2^100125271 is an apocalyptic number.

100125271 is a deficient number, since it is larger than the sum of its proper divisors (1).

100125271 is an equidigital number, since it uses as much as digits as its factorization.

100125271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 100125271 is about 10006.2615896248. The cubic root of 100125271 is about 464.3526213096.

Adding to 100125271 its reverse (172521001), we get a palindrome (272646272).

The spelling of 100125271 in words is "one hundred million, one hundred twenty-five thousand, two hundred seventy-one".