1079920 has 20 divisors (see below), whose sum is σ = 2511000. Its totient is φ = 431936.

The previous prime is 1079917. The next prime is 1079927. The reversal of 1079920 is 299701.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079927) 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, 6670 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (125550).

2^1079920 is an apocalyptic number.

1079920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1079920 is an abundant number, since it is smaller than the sum of its proper divisors (1431080).

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

1079920 is a wasteful number, since it uses less digits than its factorization.

1079920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512 (or 13506 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1079920 is about 1039.1919938106. The cubic root of 1079920 is about 102.5960234403.

The spelling of 1079920 in words is "one million, seventy-nine thousand, nine hundred twenty".