124122144 has 48 divisors (see below), whose sum is σ = 326440800. Its totient is φ = 41295360.

The previous prime is 124122143. The next prime is 124122169. The reversal of 124122144 is 441221421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 124122144.

It is not an unprimeable number, because it can be changed into a prime (124122143) 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 7 ways as a sum of consecutive naturals, for example, 72207 + ... + 73905.

It is an arithmetic number, because the mean of its divisors is an integer number (6800850).

Almost surely, 2^124122144 is an apocalyptic number.

It is an amenable number.

124122144 is an abundant number, since it is smaller than the sum of its proper divisors (202318656).

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

124122144 is a wasteful number, since it uses less digits than its factorization.

124122144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2465 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 124122144 is about 11141.0118032430. The cubic root of 124122144 is about 498.8267745707.

Adding to 124122144 its reverse (441221421), we get a palindrome (565343565).

The spelling of 124122144 in words is "one hundred twenty-four million, one hundred twenty-two thousand, one hundred forty-four".