531122 has 4 divisors (see below), whose sum is σ = 796686. Its totient is φ = 265560.

The previous prime is 531121. The next prime is 531133. The reversal of 531122 is 221135.

It is a happy number.

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., 516961 + 14161 = 719^2 + 119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531097 and 531106.

It is not an unprimeable number, because it can be changed into a prime (531121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132779 + ... + 132782.

2⁵³¹¹²² is an apocalyptic number.

531122 is a deficient number, since it is larger than the sum of its proper divisors (265564).

531122 is a wasteful number, since it uses less digits than its factorization.

531122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265563.

The product of its digits is 60, while the sum is 14.

The square root of 531122 is about 728.7811742903. The cubic root of 531122 is about 80.9837898771.

Adding to 531122 its reverse (221135), we get a palindrome (752257).

The spelling of 531122 in words is "five hundred thirty-one thousand, one hundred twenty-two".