100001927 has 2 divisors, whose sum is σ = 100001928. Its totient is φ = 100001926.

The previous prime is 100001903. The next prime is 100001929. The reversal of 100001927 is 729100001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001927 is a prime.

It is a super-3 number, since 3×100001927³ (a number of 25 digits) contains 333 as substring.

Together with 100001929, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001899 and 100001908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000963 + 50000964.

It is an arithmetic number, because the mean of its divisors is an integer number (50000964).

Almost surely, 2^100001927 is an apocalyptic number.

100001927 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001927 is an equidigital number, since it uses as much as digits as its factorization.

100001927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 100001927 is about 10000.0963495358. The cubic root of 100001927 is about 464.1618647894.

Adding to 100001927 its reverse (729100001), we get a palindrome (829101928).

The spelling of 100001927 in words is "one hundred million, one thousand, nine hundred twenty-seven".