122153324451 has 8 divisors (see below), whose sum is σ = 168125005824. Its totient is φ = 78808596360.

The previous prime is 122153324417. The next prime is 122153324497. The reversal of 122153324451 is 154423351221.

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

It is not a de Polignac number, because 122153324451 - 2¹⁹ = 122152800163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122153324551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656738211 + ... + 656738396.

It is an arithmetic number, because the mean of its divisors is an integer number (21015625728).

Almost surely, 2^122153324451 is an apocalyptic number.

122153324451 is a deficient number, since it is larger than the sum of its proper divisors (45971681373).

122153324451 is a wasteful number, since it uses less digits than its factorization.

122153324451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313476641.

The product of its digits is 28800, while the sum is 33.

Adding to 122153324451 its reverse (154423351221), we get a palindrome (276576675672).

The spelling of 122153324451 in words is "one hundred twenty-two billion, one hundred fifty-three million, three hundred twenty-four thousand, four hundred fifty-one".