121233441 has 8 divisors (see below), whose sum is σ = 184736704. Its totient is φ = 69276240.

The previous prime is 121233421. The next prime is 121233449. The reversal of 121233441 is 144332121.

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

It is not a de Polignac number, because 121233441 - 2¹⁹ = 120709153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5773021 = 121233441 / (1 + 2 + 1 + 2 + 3 + 3 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121233449) 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, 2886490 + ... + 2886531.

It is an arithmetic number, because the mean of its divisors is an integer number (23092088).

Almost surely, 2^121233441 is an apocalyptic number.

It is an amenable number.

121233441 is a deficient number, since it is larger than the sum of its proper divisors (63503263).

121233441 is an equidigital number, since it uses as much as digits as its factorization.

121233441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773031.

The product of its digits is 576, while the sum is 21.

The square root of 121233441 is about 11010.6058416420. The cubic root of 121233441 is about 494.9266170167.

Adding to 121233441 its reverse (144332121), we get a palindrome (265565562).

The spelling of 121233441 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred forty-one".