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10001269 is a prime number
BaseRepresentation
bin100110001001…
…101101110101
3200211010011101
4212021231311
510030020034
6554210101
7151003135
oct46115565
920733141
1010001269
115711113
123423931
1320c2315
141484ac5
15d28514
hex989b75

10001269 has 2 divisors, whose sum is σ = 10001270. Its totient is φ = 10001268.

The previous prime is 10001261. The next prime is 10001281. The reversal of 10001269 is 96210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 3025 = 3162^2 + 55^2 .

It is an emirp because it is prime and its reverse (96210001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001269 - 23 = 10001261 is a prime.

It is a super-2 number, since 2×100012692 = 200050763220722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000634 + 5000635.

It is an arithmetic number, because the mean of its divisors is an integer number (5000635).

Almost surely, 210001269 is an apocalyptic number.

It is an amenable number.

10001269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001269 is an equidigital number, since it uses as much as digits as its factorization.

10001269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10001269 is about 3162.4783003208. The cubic root of 10001269 is about 215.4525818765.

The spelling of 10001269 in words is "ten million, one thousand, two hundred sixty-nine".