551235122 has 4 divisors (see below), whose sum is σ = 826852686. Its totient is φ = 275617560.

The previous prime is 551235109. The next prime is 551235133. The reversal of 551235122 is 221532155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 548449561 + 2785561 = 23419^2 + 1669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551235091 and 551235100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137808779 + ... + 137808782.

Almost surely, 2^551235122 is an apocalyptic number.

551235122 is a deficient number, since it is larger than the sum of its proper divisors (275617564).

551235122 is a wasteful number, since it uses less digits than its factorization.

551235122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275617563.

The product of its digits is 3000, while the sum is 26.

The square root of 551235122 is about 23478.3969214254. The cubic root of 551235122 is about 819.9341222111.

Adding to 551235122 its reverse (221532155), we get a palindrome (772767277).

The spelling of 551235122 in words is "five hundred fifty-one million, two hundred thirty-five thousand, one hundred twenty-two".