121522841 has 12 divisors (see below), whose sum is σ = 140607600. Its totient is φ = 104658840.

The previous prime is 121522829. The next prime is 121522889. The reversal of 121522841 is 148225121.

It is not a de Polignac number, because 121522841 - 2¹⁴ = 121506457 is a prime.

It is a super-2 number, since 2×121522841² = 29535601769422562, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121522841.

It is not an unprimeable number, because it can be changed into a prime (121552841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24131 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (11717300).

Almost surely, 2^121522841 is an apocalyptic number.

121522841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121522841 is a deficient number, since it is larger than the sum of its proper divisors (19084759).

121522841 is a wasteful number, since it uses less digits than its factorization.

121522841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900 (or 52889 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 121522841 is about 11023.7398826351. The cubic root of 121522841 is about 495.3201221468.

Adding to 121522841 its reverse (148225121), we get a palindrome (269747962).

The spelling of 121522841 in words is "one hundred twenty-one million, five hundred twenty-two thousand, eight hundred forty-one".