105399001 has 2 divisors, whose sum is σ = 105399002. Its totient is φ = 105399000.

The previous prime is 105398999. The next prime is 105399011. The reversal of 105399001 is 100993501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94109401 + 11289600 = 9701^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 105399001 - 2¹ = 105398999 is a prime.

It is a super-2 number, since 2×105399001² = 22217898823596002, which contains 22 as substring.

Together with 105398999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105399011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52699500 + 52699501.

It is an arithmetic number, because the mean of its divisors is an integer number (52699501).

Almost surely, 2^105399001 is an apocalyptic number.

It is an amenable number.

105399001 is a deficient number, since it is larger than the sum of its proper divisors (1).

105399001 is an equidigital number, since it uses as much as digits as its factorization.

105399001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 105399001 is about 10266.4015604300. The cubic root of 105399001 is about 472.3662187625.

The spelling of 105399001 in words is "one hundred five million, three hundred ninety-nine thousand, one".