122004400 has 60 divisors (see below), whose sum is σ = 334996912. Its totient is φ = 41829120.

The previous prime is 122004383. The next prime is 122004403. The reversal of 122004400 is 4400221.

It is not an unprimeable number, because it can be changed into a prime (122004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18987 + ... + 24586.

Almost surely, 2^122004400 is an apocalyptic number.

122004400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122004400 is an abundant number, since it is smaller than the sum of its proper divisors (212992512).

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

122004400 is a wasteful number, since it uses less digits than its factorization.

122004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43598 (or 43587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 122004400 is about 11045.5601940327. The cubic root of 122004400 is about 495.9735287642.

Adding to 122004400 its reverse (4400221), we get a palindrome (126404621).

The spelling of 122004400 in words is "one hundred twenty-two million, four thousand, four hundred".