36121724 has 6 divisors (see below), whose sum is σ = 63213024. Its totient is φ = 18060860.

The previous prime is 36121703. The next prime is 36121739. The reversal of 36121724 is 42712163.

36121724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 36121693 and 36121702.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4515212 + ... + 4515219.

It is an arithmetic number, because the mean of its divisors is an integer number (10535504).

Almost surely, 2^36121724 is an apocalyptic number.

It is an amenable number.

36121724 is a deficient number, since it is larger than the sum of its proper divisors (27091300).

36121724 is a wasteful number, since it uses less digits than its factorization.

36121724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030435 (or 9030433 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 36121724 is about 6010.1351066345. The cubic root of 36121724 is about 330.5644578928.

Adding to 36121724 its reverse (42712163), we get a palindrome (78833887).

The spelling of 36121724 in words is "thirty-six million, one hundred twenty-one thousand, seven hundred twenty-four".