122424053521 has 32 divisors (see below), whose sum is σ = 162457436160. Its totient is φ = 89313619200.

The previous prime is 122424053491. The next prime is 122424053533. The reversal of 122424053521 is 125350424221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122424053521 - 2¹³ = 122424045329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122424050521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5190 + ... + 494848.

It is an arithmetic number, because the mean of its divisors is an integer number (5076794880).

Almost surely, 2^122424053521 is an apocalyptic number.

122424053521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122424053521 is a deficient number, since it is larger than the sum of its proper divisors (40033382639).

122424053521 is a wasteful number, since it uses less digits than its factorization.

122424053521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489885.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 122424053521 its reverse (125350424221), we get a palindrome (247774477742).

The spelling of 122424053521 in words is "one hundred twenty-two billion, four hundred twenty-four million, fifty-three thousand, five hundred twenty-one".