122135325653 has 8 divisors (see below), whose sum is σ = 133315441056. Its totient is φ = 110968027600.

The previous prime is 122135325649. The next prime is 122135325667. The reversal of 122135325653 is 356523531221.

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 122135325653 - 2² = 122135325649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135325253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184403 + ... + 3222528.

It is an arithmetic number, because the mean of its divisors is an integer number (16664430132).

Almost surely, 2^122135325653 is an apocalyptic number.

It is an amenable number.

122135325653 is a deficient number, since it is larger than the sum of its proper divisors (11180115403).

122135325653 is a wasteful number, since it uses less digits than its factorization.

122135325653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408675.

The product of its digits is 162000, while the sum is 38.

Adding to 122135325653 its reverse (356523531221), we get a palindrome (478658856874).

The spelling of 122135325653 in words is "one hundred twenty-two billion, one hundred thirty-five million, three hundred twenty-five thousand, six hundred fifty-three".