122424540 has 72 divisors (see below), whose sum is σ = 398763792. Its totient is φ = 27982080.

The previous prime is 122424529. The next prime is 122424551. The reversal of 122424540 is 45424221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122424529) and next prime (122424551).

It is a super-3 number, since 3×122424540³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122424540.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17881 + ... + 23760.

It is an arithmetic number, because the mean of its divisors is an integer number (5538386).

Almost surely, 2^122424540 is an apocalyptic number.

122424540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122424540 is an abundant number, since it is smaller than the sum of its proper divisors (276339252).

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

122424540 is a wasteful number, since it uses less digits than its factorization.

122424540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41667 (or 41658 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 122424540 is about 11064.5623501339. The cubic root of 122424540 is about 496.5421956352.

Adding to 122424540 its reverse (45424221), we get a palindrome (167848761).

The spelling of 122424540 in words is "one hundred twenty-two million, four hundred twenty-four thousand, five hundred forty".