36000121 has 4 divisors (see below), whose sum is σ = 36014500. Its totient is φ = 35985744.

The previous prime is 36000113. The next prime is 36000127. The reversal of 36000121 is 12100063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10890000 + 25110121 = 3300^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 36000121 - 2³ = 36000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36000127) 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, 2346 + ... + 8803.

It is an arithmetic number, because the mean of its divisors is an integer number (9003625).

Almost surely, 2^36000121 is an apocalyptic number.

It is an amenable number.

36000121 is a deficient number, since it is larger than the sum of its proper divisors (14379).

36000121 is a wasteful number, since it uses less digits than its factorization.

36000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14378.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 36000121 is about 6000.0100833249. The cubic root of 36000121 is about 330.1930948272.

Adding to 36000121 its reverse (12100063), we get a palindrome (48100184).

The spelling of 36000121 in words is "thirty-six million, one hundred twenty-one", and thus it is an aban number.