36121234 has 4 divisors (see below), whose sum is σ = 54181854. Its totient is φ = 18060616.

The previous prime is 36121219. The next prime is 36121237. The reversal of 36121234 is 43212163.

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

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 10080625 = 5103^2 + 3175^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36121237) 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 as a sum of consecutive naturals, namely, 9030307 + ... + 9030310.

Almost surely, 2^36121234 is an apocalyptic number.

36121234 is a deficient number, since it is larger than the sum of its proper divisors (18060620).

36121234 is a wasteful number, since it uses less digits than its factorization.

36121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060619.

The product of its digits is 864, while the sum is 22.

The square root of 36121234 is about 6010.0943420216. The cubic root of 36121234 is about 330.5629631568.

Adding to 36121234 its reverse (43212163), we get a palindrome (79333397).

The spelling of 36121234 in words is "thirty-six million, one hundred twenty-one thousand, two hundred thirty-four".