122841400 has 48 divisors (see below), whose sum is σ = 311576040. Its totient is φ = 44668800.

The previous prime is 122841379. The next prime is 122841401. The reversal of 122841400 is 4148221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122841401) 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, 25719 + ... + 30118.

Almost surely, 2^122841400 is an apocalyptic number.

122841400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122841400 is an abundant number, since it is smaller than the sum of its proper divisors (188734640).

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

122841400 is a wasteful number, since it uses less digits than its factorization.

122841400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55864 (or 55855 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 122841400 is about 11083.3839597841. The cubic root of 122841400 is about 497.1051385673.

Adding to 122841400 its reverse (4148221), we get a palindrome (126989621).

The spelling of 122841400 in words is "one hundred twenty-two million, eight hundred forty-one thousand, four hundred".