122447800 has 48 divisors (see below), whose sum is σ = 292403160. Its totient is φ = 47652480.

The previous prime is 122447797. The next prime is 122447839. The reversal of 122447800 is 8744221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874 + ... + 15673.

Almost surely, 2^122447800 is an apocalyptic number.

122447800 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 122447800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146201580).

122447800 is an abundant number, since it is smaller than the sum of its proper divisors (169955360).

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

122447800 is a wasteful number, since it uses less digits than its factorization.

122447800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600 (or 16591 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 122447800 is about 11065.6134036934. The cubic root of 122447800 is about 496.5736404204.

The spelling of 122447800 in words is "one hundred twenty-two million, four hundred forty-seven thousand, eight hundred".