1042532231 has 16 divisors (see below), whose sum is σ = 1131768288. Its totient is φ = 954624000.

The previous prime is 1042532219. The next prime is 1042532233. The reversal of 1042532231 is 1322352401.

1042532231 = T₁₂₆₅₈ + T₁₂₆₅₉ + ... + T₁₂₆₇₀.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042532231 is a prime.

It is a super-2 number, since 2×1042532231² = 2173746905347674722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042532197 and 1042532206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042532233) 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 15 ways as a sum of consecutive naturals, for example, 1182911 + ... + 1183791.

It is an arithmetic number, because the mean of its divisors is an integer number (70735518).

Almost surely, 2^1042532231 is an apocalyptic number.

1042532231 is a deficient number, since it is larger than the sum of its proper divisors (89236057).

1042532231 is a wasteful number, since it uses less digits than its factorization.

1042532231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1042532231 is about 32288.2676989646. The cubic root of 1042532231 is about 1013.9810301750.

Adding to 1042532231 its reverse (1322352401), we get a palindrome (2364884632).

The spelling of 1042532231 in words is "one billion, forty-two million, five hundred thirty-two thousand, two hundred thirty-one".