1120000 has 90 divisors (see below), whose sum is σ = 3192728. Its totient is φ = 384000.

The previous prime is 1119959. The next prime is 1120001. The reversal of 1120000 is 211.

1120000 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159997 + ... + 160003.

2^1120000 is an apocalyptic number.

1120000 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 1120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596364).

1120000 is an abundant number, since it is smaller than the sum of its proper divisors (2072728).

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

1120000 is an frugal number, since it uses more digits than its factorization.

1120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1120000 is about 1058.3005244258. The cubic root of 1120000 is about 103.8498820370.

Adding to 1120000 its reverse (211), we get a palindrome (1120211).

The spelling of 1120000 in words is "one million, one hundred twenty thousand".