555140124 has 144 divisors (see below), whose sum is σ = 1787175936. Its totient is φ = 141091200.

The previous prime is 555140111. The next prime is 555140129. The reversal of 555140124 is 421041555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555140129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128154 + ... + 132414.

It is an arithmetic number, because the mean of its divisors is an integer number (12410944).

Almost surely, 2^555140124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555140124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893587968).

555140124 is an abundant number, since it is smaller than the sum of its proper divisors (1232035812).

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

555140124 is a wasteful number, since it uses less digits than its factorization.

555140124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 555140124 is about 23561.4117573629. The cubic root of 555140124 is about 821.8657318833.

Adding to 555140124 its reverse (421041555), we get a palindrome (976181679).

The spelling of 555140124 in words is "five hundred fifty-five million, one hundred forty thousand, one hundred twenty-four".