1120380 has 48 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 293440.

The previous prime is 1120369. The next prime is 1120391. The reversal of 1120380 is 830211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1120369) and next prime (1120391).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4129 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2^1120380 is an apocalyptic number.

1120380 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 1120380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596672).

1120380 is an abundant number, since it is smaller than the sum of its proper divisors (2072964).

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

1120380 is a wasteful number, since it uses less digits than its factorization.

1120380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1120380 is about 1058.4800423248. The cubic root of 1120380 is about 103.8616256361.

Adding to 1120380 its reverse (830211), we get a palindrome (1950591).

The spelling of 1120380 in words is "one million, one hundred twenty thousand, three hundred eighty".