121233744 has 60 divisors (see below), whose sum is σ = 340053012. Its totient is φ = 40320000.

The previous prime is 121233743. The next prime is 121233751. The reversal of 121233744 is 447332121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 80784144 = 6360^2 + 8988^2 .

It is a super-3 number, since 3×121233744³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100344 + ... + 101544.

Almost surely, 2^121233744 is an apocalyptic number.

It is an amenable number.

121233744 is an abundant number, since it is smaller than the sum of its proper divisors (218819268).

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

121233744 is a wasteful number, since it uses less digits than its factorization.

121233744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1907 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 121233744 is about 11010.6196010942. The cubic root of 121233744 is about 494.9270293415.

Adding to 121233744 its reverse (447332121), we get a palindrome (568565865).

The spelling of 121233744 in words is "one hundred twenty-one million, two hundred thirty-three thousand, seven hundred forty-four".