531122105 has 8 divisors (see below), whose sum is σ = 670891200. Its totient is φ = 402534576.

The previous prime is 531122099. The next prime is 531122107. The reversal of 531122105 is 501221135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531122105 - 2⁴ = 531122089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531122107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795285 + ... + 2795474.

It is an arithmetic number, because the mean of its divisors is an integer number (83861400).

Almost surely, 2^531122105 is an apocalyptic number.

It is an amenable number.

531122105 is a deficient number, since it is larger than the sum of its proper divisors (139769095).

531122105 is a wasteful number, since it uses less digits than its factorization.

531122105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590783.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 531122105 is about 23046.0865441402. The cubic root of 531122105 is about 809.8379521382.

The spelling of 531122105 in words is "five hundred thirty-one million, one hundred twenty-two thousand, one hundred five".