1065231132 has 48 divisors (see below), whose sum is σ = 2938575360. Its totient is φ = 293856192.

The previous prime is 1065231113. The next prime is 1065231133. The reversal of 1065231132 is 2311325601.

It is a super-2 number, since 2×1065231132² = 2269434729164002848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065231133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216208 + ... + 221079.

It is an arithmetic number, because the mean of its divisors is an integer number (61220320).

Almost surely, 2^1065231132 is an apocalyptic number.

1065231132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1065231132 is an abundant number, since it is smaller than the sum of its proper divisors (1873344228).

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

1065231132 is a wasteful number, since it uses less digits than its factorization.

1065231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437330 (or 437328 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1065231132 is about 32637.8787913676. The cubic root of 1065231132 is about 1021.2873441837.

Adding to 1065231132 its reverse (2311325601), we get a palindrome (3376556733).

The spelling of 1065231132 in words is "one billion, sixty-five million, two hundred thirty-one thousand, one hundred thirty-two".