121433432 has 16 divisors (see below), whose sum is σ = 231421200. Its totient is φ = 59721120.

The previous prime is 121433369. The next prime is 121433437. The reversal of 121433432 is 234334121.

It is a junction number, because it is equal to n+sod(n) for n = 121433398 and 121433407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121433437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123932 + ... + 124907.

It is an arithmetic number, because the mean of its divisors is an integer number (14463825).

Almost surely, 2^121433432 is an apocalyptic number.

It is an amenable number.

121433432 is a deficient number, since it is larger than the sum of its proper divisors (109987768).

121433432 is a wasteful number, since it uses less digits than its factorization.

121433432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248906 (or 248902 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 121433432 is about 11019.6838430147. The cubic root of 121433432 is about 495.1986170266.

Adding to 121433432 its reverse (234334121), we get a palindrome (355767553).

The spelling of 121433432 in words is "one hundred twenty-one million, four hundred thirty-three thousand, four hundred thirty-two".