121113441 has 8 divisors (see below), whose sum is σ = 179427360. Its totient is φ = 80742276.

The previous prime is 121113439. The next prime is 121113449. The reversal of 121113441 is 144311121.

121113441 is a `hidden beast` number, since 1 + 211 + 13 + 441 = 666.

It is not a de Polignac number, because 121113441 - 2¹ = 121113439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121113449) 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, 2242815 + ... + 2242868.

It is an arithmetic number, because the mean of its divisors is an integer number (22428420).

Almost surely, 2^121113441 is an apocalyptic number.

It is an amenable number.

121113441 is a deficient number, since it is larger than the sum of its proper divisors (58313919).

121113441 is an equidigital number, since it uses as much as digits as its factorization.

121113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485692 (or 4485686 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 121113441 is about 11005.1552010864. The cubic root of 121113441 is about 494.7632660470.

Adding to 121113441 its reverse (144311121), we get a palindrome (265424562).

The spelling of 121113441 in words is "one hundred twenty-one million, one hundred thirteen thousand, four hundred forty-one".