122829987600 has 360 divisors, whose sum is σ = 442994584032. Its totient is φ = 32684083200.

The previous prime is 122829987593. The next prime is 122829987601. The reversal of 122829987600 is 6789928221.

122829987600 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 29 + 9 + 8 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (122829987601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57638535 + ... + 57640665.

Almost surely, 2^122829987600 is an apocalyptic number.

122829987600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122829987600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221497292016).

122829987600 is an abundant number, since it is smaller than the sum of its proper divisors (320164596432).

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

122829987600 is a wasteful number, since it uses less digits than its factorization.

122829987600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 122829987600 in words is "one hundred twenty-two billion, eight hundred twenty-nine million, nine hundred eighty-seven thousand, six hundred".