122340388653 has 24 divisors (see below), whose sum is σ = 202072573248. Its totient is φ = 69869388672.

The previous prime is 122340388649. The next prime is 122340388661. The reversal of 122340388653 is 356883043221.

122340388653 is a `hidden beast` number, since 1 + 223 + 40 + 388 + 6 + 5 + 3 = 666.

It is not a de Polignac number, because 122340388653 - 2² = 122340388649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122340388599 and 122340388608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340388663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434451 + ... + 658352.

It is an arithmetic number, because the mean of its divisors is an integer number (8419690552).

Almost surely, 2^122340388653 is an apocalyptic number.

It is an amenable number.

122340388653 is a deficient number, since it is larger than the sum of its proper divisors (79732184595).

122340388653 is a wasteful number, since it uses less digits than its factorization.

122340388653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094593 (or 1094590 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 122340388653 in words is "one hundred twenty-two billion, three hundred forty million, three hundred eighty-eight thousand, six hundred fifty-three".