121135606 has 4 divisors (see below), whose sum is σ = 181703412. Its totient is φ = 60567802.

The previous prime is 121135589. The next prime is 121135649. The reversal of 121135606 is 606531121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30283900 + ... + 30283903.

It is an arithmetic number, because the mean of its divisors is an integer number (45425853).

Almost surely, 2^121135606 is an apocalyptic number.

121135606 is a deficient number, since it is larger than the sum of its proper divisors (60567806).

121135606 is an equidigital number, since it uses as much as digits as its factorization.

121135606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60567805.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121135606 is about 11006.1621830682. The cubic root of 121135606 is about 494.7934464541.

Adding to 121135606 its reverse (606531121), we get a palindrome (727666727).

The spelling of 121135606 in words is "one hundred twenty-one million, one hundred thirty-five thousand, six hundred six".