36878121 has 12 divisors (see below), whose sum is σ = 60878272. Its totient is φ = 21073176.

The previous prime is 36878113. The next prime is 36878141. The reversal of 36878121 is 12187863.

36878121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36878121 - 2³ = 36878113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36878141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292621 + ... + 292746.

Almost surely, 2^36878121 is an apocalyptic number.

It is an amenable number.

36878121 is a deficient number, since it is larger than the sum of its proper divisors (24000151).

36878121 is a wasteful number, since it uses less digits than its factorization.

36878121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585380 (or 585377 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 36878121 is about 6072.7358743815. The cubic root of 36878121 is about 332.8559017259.

The spelling of 36878121 in words is "thirty-six million, eight hundred seventy-eight thousand, one hundred twenty-one".