122900117845 has 16 divisors (see below), whose sum is σ = 155256192000. Its totient is φ = 93136989888.

The previous prime is 122900117843. The next prime is 122900117867. The reversal of 122900117845 is 548711009221.

It is a cyclic number.

It is not a de Polignac number, because 122900117845 - 2¹ = 122900117843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122900117798 and 122900117807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122900117843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133671 + ... + 1237339.

It is an arithmetic number, because the mean of its divisors is an integer number (9703512000).

Almost surely, 2^122900117845 is an apocalyptic number.

It is an amenable number.

122900117845 is a deficient number, since it is larger than the sum of its proper divisors (32356074155).

122900117845 is a wasteful number, since it uses less digits than its factorization.

122900117845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116172.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 122900117845 in words is "one hundred twenty-two billion, nine hundred million, one hundred seventeen thousand, eight hundred forty-five".