551125122 has 16 divisors (see below), whose sum is σ = 1110665952. Its totient is φ = 182305760.

The previous prime is 551125117. The next prime is 551125123. The reversal of 551125122 is 221521155.

It is a junction number, because it is equal to n+sod(n) for n = 551125092 and 551125101.

It is not an unprimeable number, because it can be changed into a prime (551125123) 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, 349803 + ... + 351374.

It is an arithmetic number, because the mean of its divisors is an integer number (69416622).

Almost surely, 2^551125122 is an apocalyptic number.

551125122 is an abundant number, since it is smaller than the sum of its proper divisors (559540830).

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

551125122 is a wasteful number, since it uses less digits than its factorization.

551125122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701313.

The product of its digits is 1000, while the sum is 24.

The square root of 551125122 is about 23476.0542255295. The cubic root of 551125122 is about 819.8795787867.

Adding to 551125122 its reverse (221521155), we get a palindrome (772646277).

The spelling of 551125122 in words is "five hundred fifty-one million, one hundred twenty-five thousand, one hundred twenty-two".