122331440424455 has 8 divisors (see below), whose sum is σ = 154523924746800. Its totient is φ = 92714354847936.

The previous prime is 122331440424359. The next prime is 122331440424511. The reversal of 122331440424455 is 554424044133221.

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 122331440424455 - 2¹² = 122331440420359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643849686350 + ... + 643849686539.

It is an arithmetic number, because the mean of its divisors is an integer number (19315490593350).

Almost surely, 2^{122331440424455} is an apocalyptic number.

122331440424455 is a deficient number, since it is larger than the sum of its proper divisors (32192484322345).

122331440424455 is a wasteful number, since it uses less digits than its factorization.

122331440424455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287699372913.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 122331440424455 its reverse (554424044133221), we get a palindrome (676755484557676).

The spelling of 122331440424455 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, four hundred forty million, four hundred twenty-four thousand, four hundred fifty-five".