36888121 has 4 divisors (see below), whose sum is σ = 37407744. Its totient is φ = 36368500.

The previous prime is 36888077. The next prime is 36888133. The reversal of 36888121 is 12188863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36888121 - 2²¹ = 34790969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36888191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259705 + ... + 259846.

It is an arithmetic number, because the mean of its divisors is an integer number (9351936).

Almost surely, 2^36888121 is an apocalyptic number.

It is an amenable number.

36888121 is a deficient number, since it is larger than the sum of its proper divisors (519623).

36888121 is an equidigital number, since it uses as much as digits as its factorization.

36888121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519622.

The product of its digits is 18432, while the sum is 37.

The square root of 36888121 is about 6073.5591707005. The cubic root of 36888121 is about 332.8859851295.

The spelling of 36888121 in words is "thirty-six million, eight hundred eighty-eight thousand, one hundred twenty-one".