1162280 has 48 divisors (see below), whose sum is σ = 3047220. Its totient is φ = 397824.

The previous prime is 1162279. The next prime is 1162297. The reversal of 1162280 is 822611.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 196 = 1078^2 + 14^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1664 + ... + 2256.

2^1162280 is an apocalyptic number.

1162280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523610).

1162280 is an abundant number, since it is smaller than the sum of its proper divisors (1884940).

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

1162280 is a wasteful number, since it uses less digits than its factorization.

1162280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1162280 is about 1078.0909052580. The cubic root of 1162280 is about 105.1405525138.

Adding to 1162280 its reverse (822611), we get a palindrome (1984891).

The spelling of 1162280 in words is "one million, one hundred sixty-two thousand, two hundred eighty".