1120685 has 8 divisors (see below), whose sum is σ = 1370520. Its totient is φ = 879424.

The previous prime is 1120673. The next prime is 1120687. The reversal of 1120685 is 5860211.

1120685 = T₃₀ + T₃₁ + ... + T₁₈₈.

It can be written as a sum of positive squares in 4 ways, for example, as 574564 + 546121 = 758^2 + 739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120685 - 2⁸ = 1120429 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1120685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (171315).

2^1120685 is an apocalyptic number.

It is an amenable number.

1120685 is a deficient number, since it is larger than the sum of its proper divisors (249835).

1120685 is an equidigital number, since it uses as much as digits as its factorization.

1120685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1120685 is about 1058.6241070371. The cubic root of 1120685 is about 103.8710494988.

Adding to 1120685 its reverse (5860211), we get a palindrome (6980896).

The spelling of 1120685 in words is "one million, one hundred twenty thousand, six hundred eighty-five".