531042126 has 32 divisors (see below), whose sum is σ = 1082229120. Its totient is φ = 173668704.

The previous prime is 531042119. The next prime is 531042173. The reversal of 531042126 is 621240135.

It is a junction number, because it is equal to n+sod(n) for n = 531042096 and 531042105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226456 + ... + 228788.

It is an arithmetic number, because the mean of its divisors is an integer number (33819660).

Almost surely, 2^531042126 is an apocalyptic number.

531042126 is an abundant number, since it is smaller than the sum of its proper divisors (551186994).

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

531042126 is a wasteful number, since it uses less digits than its factorization.

531042126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 531042126 is about 23044.3512818218. The cubic root of 531042126 is about 809.7973002929.

The spelling of 531042126 in words is "five hundred thirty-one million, forty-two thousand, one hundred twenty-six".