100121267 has 2 divisors, whose sum is σ = 100121268. Its totient is φ = 100121266.

The previous prime is 100121257. The next prime is 100121269. The reversal of 100121267 is 762121001.

It is a strong prime.

It is an emirp because it is prime and its reverse (762121001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100121267 - 2⁴ = 100121251 is a prime.

Together with 100121269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100121269) 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 as a sum of consecutive naturals, namely, 50060633 + 50060634.

It is an arithmetic number, because the mean of its divisors is an integer number (50060634).

Almost surely, 2^100121267 is an apocalyptic number.

100121267 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121267 is an equidigital number, since it uses as much as digits as its factorization.

100121267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 100121267 is about 10006.0615129031. The cubic root of 100121267 is about 464.3464314214.

Adding to 100121267 its reverse (762121001), we get a palindrome (862242268).

The spelling of 100121267 in words is "one hundred million, one hundred twenty-one thousand, two hundred sixty-seven".