531150126 has 16 divisors (see below), whose sum is σ = 1144015824. Its totient is φ = 163430784.

The previous prime is 531150079. The next prime is 531150127. The reversal of 531150126 is 621051135.

It is a junction number, because it is equal to n+sod(n) for n = 531150096 and 531150105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531150127) 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, 3404731 + ... + 3404886.

It is an arithmetic number, because the mean of its divisors is an integer number (71500989).

Almost surely, 2^531150126 is an apocalyptic number.

531150126 is an abundant number, since it is smaller than the sum of its proper divisors (612865698).

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

531150126 is a wasteful number, since it uses less digits than its factorization.

531150126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809635.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 531150126 is about 23046.6944701404. The cubic root of 531150126 is about 809.8521937285.

The spelling of 531150126 in words is "five hundred thirty-one million, one hundred fifty thousand, one hundred twenty-six".