551012124 has 48 divisors (see below), whose sum is σ = 1394610560. Its totient is φ = 168315840.

The previous prime is 551012107. The next prime is 551012129. The reversal of 551012124 is 421210155.

551012124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551012124² = 607228721589982752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551012124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551012129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8979 + ... + 34389.

Almost surely, 2^551012124 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 551012124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697305280).

551012124 is an abundant number, since it is smaller than the sum of its proper divisors (843598436).

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

551012124 is a wasteful number, since it uses less digits than its factorization.

551012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25570 (or 25568 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 551012124 is about 23473.6474370729. The cubic root of 551012124 is about 819.8235412486.

Adding to 551012124 its reverse (421210155), we get a palindrome (972222279).

The spelling of 551012124 in words is "five hundred fifty-one million, twelve thousand, one hundred twenty-four".