1081355 has 8 divisors (see below), whose sum is σ = 1415664. Its totient is φ = 786400.

The previous prime is 1081351. The next prime is 1081361. The reversal of 1081355 is 5531801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081355 - 2² = 1081351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081355.

It is not an unprimeable number, because it can be changed into a prime (1081351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9776 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (176958).

2^1081355 is an apocalyptic number.

1081355 is a deficient number, since it is larger than the sum of its proper divisors (334309).

1081355 is a wasteful number, since it uses less digits than its factorization.

1081355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1081355 is about 1039.8822048675. The cubic root of 1081355 is about 102.6414465984.

The spelling of 1081355 in words is "one million, eighty-one thousand, three hundred fifty-five".