121123134244 has 48 divisors (see below), whose sum is σ = 253153006848. Its totient is φ = 49579440768.

The previous prime is 121123134239. The next prime is 121123134269. The reversal of 121123134244 is 442431321121.

It is a happy number.

121123134244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297082 + ... + 574894.

It is an arithmetic number, because the mean of its divisors is an integer number (5274020976).

Almost surely, 2^121123134244 is an apocalyptic number.

121123134244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123134244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126576503424).

121123134244 is an abundant number, since it is smaller than the sum of its proper divisors (132029872604).

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

121123134244 is a wasteful number, since it uses less digits than its factorization.

121123134244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278524 (or 278522 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 121123134244 its reverse (442431321121), we get a palindrome (563554455365).

The spelling of 121123134244 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-four thousand, two hundred forty-four".