1077920 has 24 divisors (see below), whose sum is σ = 2546964. Its totient is φ = 431104.

The previous prime is 1077917. The next prime is 1077943. The reversal of 1077920 is 297701.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 4624 = 1036^2 + 68^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1077920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209 + ... + 3528.

2^1077920 is an apocalyptic number.

1077920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077920 is an abundant number, since it is smaller than the sum of its proper divisors (1469044).

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

1077920 is an equidigital number, since it uses as much as digits as its factorization.

1077920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1077920 is about 1038.2292617722. The cubic root of 1077920 is about 102.5326487310.

The spelling of 1077920 in words is "one million, seventy-seven thousand, nine hundred twenty".