122153632643 has 8 divisors (see below), whose sum is σ = 139606404960. Its totient is φ = 104701423680.

The previous prime is 122153632633. The next prime is 122153632669. The reversal of 122153632643 is 346236351221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122153632643 - 2¹² = 122153628547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122153632597 and 122153632606.

It is not an unprimeable number, because it can be changed into a prime (122153632633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549233 + ... + 738893.

It is an arithmetic number, because the mean of its divisors is an integer number (17450800620).

Almost surely, 2^122153632643 is an apocalyptic number.

122153632643 is a deficient number, since it is larger than the sum of its proper divisors (17452772317).

122153632643 is an equidigital number, since it uses as much as digits as its factorization.

122153632643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281677.

The product of its digits is 155520, while the sum is 38.

Adding to 122153632643 its reverse (346236351221), we get a palindrome (468389983864).

The spelling of 122153632643 in words is "one hundred twenty-two billion, one hundred fifty-three million, six hundred thirty-two thousand, six hundred forty-three".