121136604 has 12 divisors (see below), whose sum is σ = 282652104. Its totient is φ = 40378864.

The previous prime is 121136597. The next prime is 121136621. The reversal of 121136604 is 406631121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5047347 + ... + 5047370.

It is an arithmetic number, because the mean of its divisors is an integer number (23554342).

Almost surely, 2^121136604 is an apocalyptic number.

It is an amenable number.

121136604 is an abundant number, since it is smaller than the sum of its proper divisors (161515500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121136604 is a wasteful number, since it uses less digits than its factorization.

121136604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094724 (or 10094722 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 121136604 is about 11006.2075212127. The cubic root of 121136604 is about 494.7948052687.

Adding to 121136604 its reverse (406631121), we get a palindrome (527767725).

The spelling of 121136604 in words is "one hundred twenty-one million, one hundred thirty-six thousand, six hundred four".