122899756104 has 192 divisors, whose sum is σ = 355021056000. Its totient is φ = 38297318400.

The previous prime is 122899756103. The next prime is 122899756121. The reversal of 122899756104 is 401657998221.

It is a happy number.

122899756104 is a `hidden beast` number, since 12 + 2 + 8 + 9 + 9 + 7 + 5 + 610 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (122899756103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106775929 + ... + 106777079.

It is an arithmetic number, because the mean of its divisors is an integer number (1849068000).

Almost surely, 2^122899756104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122899756104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177510528000).

122899756104 is an abundant number, since it is smaller than the sum of its proper divisors (232121299896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122899756104 is a wasteful number, since it uses less digits than its factorization.

122899756104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 122899756104 in words is "one hundred twenty-two billion, eight hundred ninety-nine million, seven hundred fifty-six thousand, one hundred four".