121036606 has 4 divisors (see below), whose sum is σ = 181554912. Its totient is φ = 60518302.

The previous prime is 121036579. The next prime is 121036607. The reversal of 121036606 is 606630121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121036607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30259150 + ... + 30259153.

It is an arithmetic number, because the mean of its divisors is an integer number (45388728).

Almost surely, 2^121036606 is an apocalyptic number.

121036606 is a deficient number, since it is larger than the sum of its proper divisors (60518306).

121036606 is an equidigital number, since it uses as much as digits as its factorization.

121036606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60518305.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 121036606 is about 11001.6637832648. The cubic root of 121036606 is about 494.6586171132.

Adding to 121036606 its reverse (606630121), we get a palindrome (727666727).

The spelling of 121036606 in words is "one hundred twenty-one million, thirty-six thousand, six hundred six".