122424240 has 40 divisors (see below), whose sum is σ = 379515888. Its totient is φ = 32646400.

The previous prime is 122424199. The next prime is 122424241. The reversal of 122424240 is 42424221.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (122424241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254811 + ... + 255290.

Almost surely, 2^122424240 is an apocalyptic number.

122424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122424240 is an abundant number, since it is smaller than the sum of its proper divisors (257091648).

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

122424240 is a wasteful number, since it uses less digits than its factorization.

122424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510117 (or 510111 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 122424240 is about 11064.5487933309. The cubic root of 122424240 is about 496.5417900444.

Adding to 122424240 its reverse (42424221), we get a palindrome (164848461).

The spelling of 122424240 in words is "one hundred twenty-two million, four hundred twenty-four thousand, two hundred forty".