1080919 has 4 divisors (see below), whose sum is σ = 1235344. Its totient is φ = 926496.

The previous prime is 1080913. The next prime is 1080923. The reversal of 1080919 is 9190801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1080919 - 2⁷ = 1080791 is a prime.

It is a super-2 number, since 2×1080919² = 2336771769122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77202 + ... + 77215.

It is an arithmetic number, because the mean of its divisors is an integer number (308836).

2^1080919 is an apocalyptic number.

1080919 is a deficient number, since it is larger than the sum of its proper divisors (154425).

1080919 is an equidigital number, since it uses as much as digits as its factorization.

1080919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154424.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1080919 is about 1039.6725446024. The cubic root of 1080919 is about 102.6276498075.

The spelling of 1080919 in words is "one million, eighty thousand, nine hundred nineteen".