121018036 has 12 divisors (see below), whose sum is σ = 224239428. Its totient is φ = 56949632.

The previous prime is 121018033. The next prime is 121018063. The reversal of 121018036 is 630810121.

It can be written as a sum of positive squares in 2 ways, for example, as 113422500 + 7595536 = 10650^2 + 2756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121017998 and 121018016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121018033) 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, 889771 + ... + 889906.

It is an arithmetic number, because the mean of its divisors is an integer number (18686619).

Almost surely, 2^121018036 is an apocalyptic number.

It is an amenable number.

121018036 is a deficient number, since it is larger than the sum of its proper divisors (103221392).

121018036 is a wasteful number, since it uses less digits than its factorization.

121018036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779698 (or 1779696 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 121018036 is about 11000.8197876340. The cubic root of 121018036 is about 494.6333182095.

Adding to 121018036 its reverse (630810121), we get a palindrome (751828157).

The spelling of 121018036 in words is "one hundred twenty-one million, eighteen thousand, thirty-six".