1179280 has 20 divisors (see below), whose sum is σ = 2742012. Its totient is φ = 471680.

The previous prime is 1179263. The next prime is 1179281. The reversal of 1179280 is 829711.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 318096 = 928^2 + 564^2 .

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 (1179281) 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 3 ways as a sum of consecutive naturals, for example, 7291 + ... + 7450.

2^1179280 is an apocalyptic number.

1179280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1179280 is an abundant number, since it is smaller than the sum of its proper divisors (1562732).

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

1179280 is a wasteful number, since it uses less digits than its factorization.

1179280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14754 (or 14748 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1179280 is about 1085.9465916886. The cubic root of 1179280 is about 105.6506835061.

The spelling of 1179280 in words is "one million, one hundred seventy-nine thousand, two hundred eighty".