121323104 has 48 divisors (see below), whose sum is σ = 275536800. Its totient is φ = 51508224.

The previous prime is 121323079. The next prime is 121323107. The reversal of 121323104 is 401323121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21932 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (5740350).

Almost surely, 2^121323104 is an apocalyptic number.

121323104 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 121323104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137768400).

121323104 is an abundant number, since it is smaller than the sum of its proper divisors (154213696).

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

121323104 is a wasteful number, since it uses less digits than its factorization.

121323104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5087 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121323104 is about 11014.6767542221. The cubic root of 121323104 is about 495.0486011525.

Adding to 121323104 its sum of digits (17), we get a palindrome (121323121).

Adding to 121323104 its reverse (401323121), we get a palindrome (522646225).

The spelling of 121323104 in words is "one hundred twenty-one million, three hundred twenty-three thousand, one hundred four".