122003424 has 72 divisors (see below), whose sum is σ = 367370640. Its totient is φ = 38274048.

The previous prime is 122003423. The next prime is 122003429. The reversal of 122003424 is 424300221.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122003397 and 122003406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7564 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (5102370).

Almost surely, 2^122003424 is an apocalyptic number.

It is an amenable number.

122003424 is an abundant number, since it is smaller than the sum of its proper divisors (245367216).

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

122003424 is a wasteful number, since it uses less digits than its factorization.

122003424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952 (or 24941 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122003424 is about 11045.5160132970. The cubic root of 122003424 is about 495.9722062123.

Adding to 122003424 its reverse (424300221), we get a palindrome (546303645).

The spelling of 122003424 in words is "one hundred twenty-two million, three thousand, four hundred twenty-four".