121433144 has 32 divisors (see below), whose sum is σ = 266565600. Its totient is φ = 50772480.

The previous prime is 121433131. The next prime is 121433167. The reversal of 121433144 is 441334121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24149 + ... + 28740.

It is an arithmetic number, because the mean of its divisors is an integer number (8330175).

Almost surely, 2^121433144 is an apocalyptic number.

121433144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121433144 is an abundant number, since it is smaller than the sum of its proper divisors (145132456).

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

121433144 is a wasteful number, since it uses less digits than its factorization.

121433144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52943 (or 52939 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 121433144 is about 11019.6707754815. The cubic root of 121433144 is about 495.1982255437.

Adding to 121433144 its reverse (441334121), we get a palindrome (562767265).

The spelling of 121433144 in words is "one hundred twenty-one million, four hundred thirty-three thousand, one hundred forty-four".