100865069 has 2 divisors, whose sum is σ = 100865070. Its totient is φ = 100865068.

The previous prime is 100865027. The next prime is 100865077. The reversal of 100865069 is 960568001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91489225 + 9375844 = 9565^2 + 3062^2 .

It is an emirp because it is prime and its reverse (960568001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100865069 - 2¹² = 100860973 is a prime.

It is a super-2 number, since 2×100865069² = 20347524288749522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100865099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50432534 + 50432535.

It is an arithmetic number, because the mean of its divisors is an integer number (50432535).

Almost surely, 2^100865069 is an apocalyptic number.

It is an amenable number.

100865069 is a deficient number, since it is larger than the sum of its proper divisors (1).

100865069 is an equidigital number, since it uses as much as digits as its factorization.

100865069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 100865069 is about 10043.1603093847. The cubic root of 100865069 is about 465.4934738881.

The spelling of 100865069 in words is "one hundred million, eight hundred sixty-five thousand, sixty-nine".