36124809 has 12 divisors (see below), whose sum is σ = 56030544. Its totient is φ = 20642664.

The previous prime is 36124801. The next prime is 36124843. The reversal of 36124809 is 90842163.

It is not a de Polignac number, because 36124809 - 2³ = 36124801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36124809.

It is not an unprimeable number, because it can be changed into a prime (36124801) 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 in 11 ways as a sum of consecutive naturals, for example, 122727 + ... + 123020.

It is an arithmetic number, because the mean of its divisors is an integer number (4669212).

Almost surely, 2^36124809 is an apocalyptic number.

It is an amenable number.

36124809 is a deficient number, since it is larger than the sum of its proper divisors (19905735).

36124809 is a wasteful number, since it uses less digits than its factorization.

36124809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245764 (or 245757 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 36124809 is about 6010.3917509593. The cubic root of 36124809 is about 330.5738683178.

The spelling of 36124809 in words is "thirty-six million, one hundred twenty-four thousand, eight hundred nine".