121243036 has 12 divisors (see below), whose sum is σ = 212301712. Its totient is φ = 60585408.

The previous prime is 121243013. The next prime is 121243049. The reversal of 121243036 is 630342121.

It is a junction number, because it is equal to n+sod(n) for n = 121242998 and 121243016.

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 in 3 ways as a sum of consecutive naturals, for example, 600 + ... + 15583.

Almost surely, 2^121243036 is an apocalyptic number.

It is an amenable number.

121243036 is a deficient number, since it is larger than the sum of its proper divisors (91058676).

121243036 is a wasteful number, since it uses less digits than its factorization.

121243036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060 (or 18058 counting only the distinct ones).

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

The square root of 121243036 is about 11011.0415492813. The cubic root of 121243036 is about 494.9396736332.

Adding to 121243036 its reverse (630342121), we get a palindrome (751585157).

The spelling of 121243036 in words is "one hundred twenty-one million, two hundred forty-three thousand, thirty-six".