201090107 has 8 divisors (see below), whose sum is σ = 205342896. Its totient is φ = 196877952.

The previous prime is 201090103. The next prime is 201090119. The reversal of 201090107 is 701090102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201090107 - 2² = 201090103 is a prime.

It is a super-2 number, since 2×201090107² = 80874462266542898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201090103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53 + ... + 20054.

It is an arithmetic number, because the mean of its divisors is an integer number (25667862).

Almost surely, 2^201090107 is an apocalyptic number.

201090107 is a deficient number, since it is larger than the sum of its proper divisors (4252789).

201090107 is a wasteful number, since it uses less digits than its factorization.

201090107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 201090107 is about 14180.6243515580. The cubic root of 201090107 is about 585.8641204752.

The spelling of 201090107 in words is "two hundred one million, ninety thousand, one hundred seven".