121121036 has 12 divisors (see below), whose sum is σ = 221177712. Its totient is φ = 57927408.

The previous prime is 121121003. The next prime is 121121083. The reversal of 121121036 is 630121121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 658175 + ... + 658358.

It is an arithmetic number, because the mean of its divisors is an integer number (18431476).

Almost surely, 2^121121036 is an apocalyptic number.

It is an amenable number.

121121036 is a deficient number, since it is larger than the sum of its proper divisors (100056676).

121121036 is a wasteful number, since it uses less digits than its factorization.

121121036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316560 (or 1316558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 121121036 is about 11005.5002612330. The cubic root of 121121036 is about 494.7736079997.

Adding to 121121036 its reverse (630121121), we get a palindrome (751242157).

The spelling of 121121036 in words is "one hundred twenty-one million, one hundred twenty-one thousand, thirty-six".