1089475 has 6 divisors (see below), whose sum is σ = 1350980. Its totient is φ = 871560.

The previous prime is 1089469. The next prime is 1089481. The reversal of 1089475 is 5749801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1089469) and next prime (1089481).

It is not a de Polignac number, because 1089475 - 2¹⁵ = 1056707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089475.

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 in 5 ways as a sum of consecutive naturals, for example, 21765 + ... + 21814.

2^1089475 is an apocalyptic number.

1089475 is a deficient number, since it is larger than the sum of its proper divisors (261505).

1089475 is an equidigital number, since it uses as much as digits as its factorization.

1089475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43589 (or 43584 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1089475 is about 1043.7791912086. The cubic root of 1089475 is about 102.8977210742.

The spelling of 1089475 in words is "one million, eighty-nine thousand, four hundred seventy-five".