122430400 has 42 divisors (see below), whose sum is σ = 301259240. Its totient is φ = 48971520.

The previous prime is 122430389. The next prime is 122430401. The reversal of 122430400 is 4034221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122430401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36660 + ... + 39859.

Almost surely, 2^122430400 is an apocalyptic number.

122430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122430400 is an abundant number, since it is smaller than the sum of its proper divisors (178828840).

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

122430400 is an equidigital number, since it uses as much as digits as its factorization.

122430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76541 (or 76526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 122430400 is about 11064.8271563545. The cubic root of 122430400 is about 496.5501180415.

Adding to 122430400 its reverse (4034221), we get a palindrome (126464621).

The spelling of 122430400 in words is "one hundred twenty-two million, four hundred thirty thousand, four hundred".