122154040325 has 24 divisors (see below), whose sum is σ = 153794025600. Its totient is φ = 96231058560.

The previous prime is 122154040271. The next prime is 122154040331. The reversal of 122154040325 is 523040451221.

It is not a de Polignac number, because 122154040325 - 2⁸ = 122154040069 is a prime.

It is a super-2 number, since 2×122154040325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666929 + ... + 830121.

It is an arithmetic number, because the mean of its divisors is an integer number (6408084400).

Almost surely, 2^122154040325 is an apocalyptic number.

It is an amenable number.

122154040325 is a deficient number, since it is larger than the sum of its proper divisors (31639985275).

122154040325 is a wasteful number, since it uses less digits than its factorization.

122154040325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163661 (or 163656 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 122154040325 its reverse (523040451221), we get a palindrome (645194491546).

The spelling of 122154040325 in words is "one hundred twenty-two billion, one hundred fifty-four million, forty thousand, three hundred twenty-five".