1120650 has 48 divisors (see below), whose sum is σ = 2880768. Its totient is φ = 288000.

The previous prime is 1120649. The next prime is 1120661. The reversal of 1120650 is 560211.

Added to its reverse (560211) it gives a triangular number (1680861 = T₁₈₃₃).

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4530 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (60016).

2^1120650 is an apocalyptic number.

1120650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440384).

1120650 is an abundant number, since it is smaller than the sum of its proper divisors (1760118).

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

1120650 is a wasteful number, since it uses less digits than its factorization.

1120650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1120650 is about 1058.6075760167. The cubic root of 1120650 is about 103.8699681588.

Adding to 1120650 its reverse (560211), we get a palindrome (1680861).

It can be divided in two parts, 1120 and 650, that added together give a triangular number (1770 = T₅₉).

The spelling of 1120650 in words is "one million, one hundred twenty thousand, six hundred fifty".