121435441 has 8 divisors (see below), whose sum is σ = 132235200. Its totient is φ = 111076560.

The previous prime is 121435439. The next prime is 121435453. The reversal of 121435441 is 144534121.

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 121435441 - 2¹ = 121435439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121435421) 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, 109645 + ... + 110746.

It is an arithmetic number, because the mean of its divisors is an integer number (16529400).

Almost surely, 2^121435441 is an apocalyptic number.

It is an amenable number.

121435441 is a deficient number, since it is larger than the sum of its proper divisors (10799759).

121435441 is a wasteful number, since it uses less digits than its factorization.

121435441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220439.

The product of its digits is 1920, while the sum is 25.

The square root of 121435441 is about 11019.7749977030. The cubic root of 121435441 is about 495.2013478740.

Adding to 121435441 its reverse (144534121), we get a palindrome (265969562).

The spelling of 121435441 in words is "one hundred twenty-one million, four hundred thirty-five thousand, four hundred forty-one".