121223433 has 8 divisors (see below), whose sum is σ = 165999808. Its totient is φ = 78631344.

The previous prime is 121223419. The next prime is 121223461. The reversal of 121223433 is 334322121.

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

It is not a de Polignac number, because 121223433 - 2¹⁴ = 121207049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121223833) 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, 545941 + ... + 546162.

It is an arithmetic number, because the mean of its divisors is an integer number (20749976).

Almost surely, 2^121223433 is an apocalyptic number.

It is an amenable number.

121223433 is a deficient number, since it is larger than the sum of its proper divisors (44776375).

121223433 is a wasteful number, since it uses less digits than its factorization.

121223433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092143.

The product of its digits is 864, while the sum is 21.

The square root of 121223433 is about 11010.1513613574. The cubic root of 121223433 is about 494.9129976670.

Adding to 121223433 its reverse (334322121), we get a palindrome (455545554).

The spelling of 121223433 in words is "one hundred twenty-one million, two hundred twenty-three thousand, four hundred thirty-three".