121323441 has 8 divisors (see below), whose sum is σ = 171280224. Its totient is φ = 76124480.

The previous prime is 121323409. The next prime is 121323473. The reversal of 121323441 is 144323121.

It is an interprime number because it is at equal distance from previous prime (121323409) and next prime (121323473).

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 121323441 - 2⁵ = 121323409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121323541) 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, 1189395 + ... + 1189496.

It is an arithmetic number, because the mean of its divisors is an integer number (21410028).

Almost surely, 2^121323441 is an apocalyptic number.

It is an amenable number.

121323441 is a deficient number, since it is larger than the sum of its proper divisors (49956783).

121323441 is a wasteful number, since it uses less digits than its factorization.

121323441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378911.

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

The square root of 121323441 is about 11014.6920519822. The cubic root of 121323441 is about 495.0490595187.

Adding to 121323441 its reverse (144323121), we get a palindrome (265646562).

The spelling of 121323441 in words is "one hundred twenty-one million, three hundred twenty-three thousand, four hundred forty-one".