1081432 has 16 divisors (see below), whose sum is σ = 2212200. Its totient is φ = 491520.

The previous prime is 1081429. The next prime is 1081441. The reversal of 1081432 is 2341801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6057 + ... + 6232.

2^1081432 is an apocalyptic number.

It is an amenable number.

1081432 is an abundant number, since it is smaller than the sum of its proper divisors (1130768).

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

1081432 is a wasteful number, since it uses less digits than its factorization.

1081432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12306 (or 12302 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1081432 is about 1039.9192276326. The cubic root of 1081432 is about 102.6438828023.

It can be divided in two parts, 108 and 1432, that added together give a triangular number (1540 = T₅₅).

The spelling of 1081432 in words is "one million, eighty-one thousand, four hundred thirty-two".