121135044 has 12 divisors (see below), whose sum is σ = 282648464. Its totient is φ = 40378344.

The previous prime is 121135019. The next prime is 121135061. The reversal of 121135044 is 440531121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121135044.

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, 5047282 + ... + 5047305.

Almost surely, 2^121135044 is an apocalyptic number.

It is an amenable number.

121135044 is an abundant number, since it is smaller than the sum of its proper divisors (161513420).

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

121135044 is a wasteful number, since it uses less digits than its factorization.

121135044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094594 (or 10094592 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121135044 is about 11006.1366518865. The cubic root of 121135044 is about 494.7926812666.

Adding to 121135044 its reverse (440531121), we get a palindrome (561666165).

The spelling of 121135044 in words is "one hundred twenty-one million, one hundred thirty-five thousand, forty-four".