122403120 has 80 divisors (see below), whose sum is σ = 433662720. Its totient is φ = 27977472.

The previous prime is 122403119. The next prime is 122403131. The reversal of 122403120 is 21304221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122403120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34750 + ... + 38109.

It is an arithmetic number, because the mean of its divisors is an integer number (5420784).

Almost surely, 2^122403120 is an apocalyptic number.

122403120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122403120 is an abundant number, since it is smaller than the sum of its proper divisors (311259600).

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

122403120 is a wasteful number, since it uses less digits than its factorization.

122403120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72882 (or 72876 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122403120 is about 11063.5943526505. The cubic root of 122403120 is about 496.5132347907.

Adding to 122403120 its reverse (21304221), we get a palindrome (143707341).

The spelling of 122403120 in words is "one hundred twenty-two million, four hundred three thousand, one hundred twenty".