1080780 has 24 divisors (see below), whose sum is σ = 3026352. Its totient is φ = 288192.

The previous prime is 1080773. The next prime is 1080787. The reversal of 1080780 is 870801.

It is an interprime number because it is at equal distance from previous prime (1080773) and next prime (1080787).

It is a self number, because there is not a number n which added to its sum of digits gives 1080780.

It is not an unprimeable number, because it can be changed into a prime (1080787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8947 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (126098).

2^1080780 is an apocalyptic number.

1080780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080780 is an abundant number, since it is smaller than the sum of its proper divisors (1945572).

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

1080780 is a wasteful number, since it uses less digits than its factorization.

1080780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025 (or 18023 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1080780 is about 1039.6056944823. The cubic root of 1080780 is about 102.6232505093.

The spelling of 1080780 in words is "one million, eighty thousand, seven hundred eighty".