122434400 has 72 divisors (see below), whose sum is σ = 326088504. Its totient is φ = 44518400.

The previous prime is 122434387. The next prime is 122434427. The reversal of 122434400 is 4434221.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1844 + ... + 15756.

It is an arithmetic number, because the mean of its divisors is an integer number (4529007).

Almost surely, 2^122434400 is an apocalyptic number.

122434400 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 122434400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163044252).

122434400 is an abundant number, since it is smaller than the sum of its proper divisors (203654104).

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

122434400 is a wasteful number, since it uses less digits than its factorization.

122434400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944 (or 13931 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 122434400 is about 11065.0079078146. The cubic root of 122434400 is about 496.5555256822. Note that the first 4 decimals are identical.

Adding to 122434400 its reverse (4434221), we get a palindrome (126868621).

The spelling of 122434400 in words is "one hundred twenty-two million, four hundred thirty-four thousand, four hundred".