36121599 has 16 divisors (see below), whose sum is σ = 53840640. Its totient is φ = 23933880.

The previous prime is 36121543. The next prime is 36121609. The reversal of 36121599 is 99512163.

36121599 is a `hidden beast` number, since 3 + 61 + 2 + 1 + 599 = 666.

It is not a de Polignac number, because 36121599 - 2⁷ = 36121471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36121529) 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 15 ways as a sum of consecutive naturals, for example, 504 + ... + 8514.

It is an arithmetic number, because the mean of its divisors is an integer number (3365040).

Almost surely, 2^36121599 is an apocalyptic number.

36121599 is a deficient number, since it is larger than the sum of its proper divisors (17719041).

36121599 is a wasteful number, since it uses less digits than its factorization.

36121599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187 (or 8181 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 36121599 is about 6010.1247075248. The cubic root of 36121599 is about 330.5640765839.

The spelling of 36121599 in words is "thirty-six million, one hundred twenty-one thousand, five hundred ninety-nine".