100026169 has 2 divisors, whose sum is σ = 100026170. Its totient is φ = 100026168.

The previous prime is 100026167. The next prime is 100026197. The reversal of 100026169 is 961620001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51194025 + 48832144 = 7155^2 + 6988^2 .

It is a cyclic number.

It is not a de Polignac number, because 100026169 - 2¹ = 100026167 is a prime.

It is a super-2 number, since 2×100026169² = 20010468969633122, which contains 22 as substring.

Together with 100026167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100026161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50013084 + 50013085.

It is an arithmetic number, because the mean of its divisors is an integer number (50013085).

Almost surely, 2^100026169 is an apocalyptic number.

It is an amenable number.

100026169 is a deficient number, since it is larger than the sum of its proper divisors (1).

100026169 is an equidigital number, since it uses as much as digits as its factorization.

100026169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 100026169 is about 10001.3083644091. The cubic root of 100026169 is about 464.1993684094.

The spelling of 100026169 in words is "one hundred million, twenty-six thousand, one hundred sixty-nine".