36863121 has 8 divisors (see below), whose sum is σ = 49357440. Its totient is φ = 24472112.

The previous prime is 36863117. The next prime is 36863131. The reversal of 36863121 is 12136863.

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 36863121 - 2² = 36863117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36863131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24990 + ... + 26423.

It is an arithmetic number, because the mean of its divisors is an integer number (6169680).

Almost surely, 2^36863121 is an apocalyptic number.

It is an amenable number.

36863121 is a deficient number, since it is larger than the sum of its proper divisors (12494319).

36863121 is a wasteful number, since it uses less digits than its factorization.

36863121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51655.

The product of its digits is 5184, while the sum is 30.

The square root of 36863121 is about 6071.5007205797. The cubic root of 36863121 is about 332.8107664218.

Adding to 36863121 its reverse (12136863), we get a palindrome (48999984).

The spelling of 36863121 in words is "thirty-six million, eight hundred sixty-three thousand, one hundred twenty-one".