36001121 has 8 divisors (see below), whose sum is σ = 41051304. Its totient is φ = 31276800.

The previous prime is 36001103. The next prime is 36001129. The reversal of 36001121 is 12110063.

It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 34339600 = 1289^2 + 5860^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36001096 and 36001105.

It is not an unprimeable number, because it can be changed into a prime (36001129) 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 7 ways as a sum of consecutive naturals, for example, 81230 + ... + 81671.

It is an arithmetic number, because the mean of its divisors is an integer number (5131413).

Almost surely, 2^36001121 is an apocalyptic number.

It is an amenable number.

36001121 is a deficient number, since it is larger than the sum of its proper divisors (5050183).

36001121 is a wasteful number, since it uses less digits than its factorization.

36001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162931.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 36001121 is about 6000.0934159395. The cubic root of 36001121 is about 330.1961521321.

Adding to 36001121 its reverse (12110063), we get a palindrome (48111184).

The spelling of 36001121 in words is "thirty-six million, one thousand, one hundred twenty-one".