100015427 has 2 divisors, whose sum is σ = 100015428. Its totient is φ = 100015426.

The previous prime is 100015387. The next prime is 100015429. The reversal of 100015427 is 724510001.

It is a strong prime.

It is an emirp because it is prime and its reverse (724510001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100015427 - 2¹⁰ = 100014403 is a prime.

Together with 100015429, 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 = 100015399 and 100015408.

It is not a weakly prime, because it can be changed into another prime (100015429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50007713 + 50007714.

It is an arithmetic number, because the mean of its divisors is an integer number (50007714).

Almost surely, 2^100015427 is an apocalyptic number.

100015427 is a deficient number, since it is larger than the sum of its proper divisors (1).

100015427 is an equidigital number, since it uses as much as digits as its factorization.

100015427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 100015427 is about 10000.7713202533. The cubic root of 100015427 is about 464.1827507310.

Adding to 100015427 its reverse (724510001), we get a palindrome (824525428).

The spelling of 100015427 in words is "one hundred million, fifteen thousand, four hundred twenty-seven".