1081786532 has 6 divisors (see below), whose sum is σ = 1893126438. Its totient is φ = 540893264.

The previous prime is 1081786529. The next prime is 1081786567. The reversal of 1081786532 is 2356871801.

It can be written as a sum of positive squares in only one way, i.e., 1063672996 + 18113536 = 32614^2 + 4256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1081786532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135223313 + ... + 135223320.

It is an arithmetic number, because the mean of its divisors is an integer number (315521073).

Almost surely, 2^1081786532 is an apocalyptic number.

It is an amenable number.

1081786532 is a deficient number, since it is larger than the sum of its proper divisors (811339906).

1081786532 is a wasteful number, since it uses less digits than its factorization.

1081786532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270446637 (or 270446635 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1081786532 is about 32890.5234376104. The cubic root of 1081786532 is about 1026.5509835267.

The spelling of 1081786532 in words is "one billion, eighty-one million, seven hundred eighty-six thousand, five hundred thirty-two".