1123760 has 40 divisors (see below), whose sum is σ = 2852496. Its totient is φ = 408320.

The previous prime is 1123747. The next prime is 1123777. The reversal of 1123760 is 673211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 1518.

2^1123760 is an apocalyptic number.

1123760 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 1123760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426248).

1123760 is an abundant number, since it is smaller than the sum of its proper divisors (1728736).

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

1123760 is a wasteful number, since it uses less digits than its factorization.

1123760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1123760 is about 1060.0754690115. The cubic root of 1123760 is about 103.9659651944.

Adding to 1123760 its reverse (673211), we get a palindrome (1796971).

The spelling of 1123760 in words is "one million, one hundred twenty-three thousand, seven hundred sixty".