121456433 has 8 divisors (see below), whose sum is σ = 139114752. Its totient is φ = 103874976.

The previous prime is 121456421. The next prime is 121456441. The reversal of 121456433 is 334654121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121456433 - 2⁶ = 121456369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121456396 and 121456405.

It is not an unprimeable number, because it can be changed into a prime (121456403) 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, 15785 + ... + 22182.

It is an arithmetic number, because the mean of its divisors is an integer number (17389344).

Almost surely, 2^121456433 is an apocalyptic number.

It is an amenable number.

121456433 is a deficient number, since it is larger than the sum of its proper divisors (17658319).

121456433 is an equidigital number, since it uses as much as digits as its factorization.

121456433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38431.

The product of its digits is 8640, while the sum is 29.

The square root of 121456433 is about 11020.7274260822. The cubic root of 121456433 is about 495.2298806419.

The spelling of 121456433 in words is "one hundred twenty-one million, four hundred fifty-six thousand, four hundred thirty-three".