1120311 has 10 divisors (see below), whose sum is σ = 1673672. Its totient is φ = 746820.

The previous prime is 1120303. The next prime is 1120313. The reversal of 1120311 is 1130211.

It is not a de Polignac number, because 1120311 - 2³ = 1120303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

1120311 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1120293 and 1120302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120313) 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, 6835 + ... + 6996.

2^1120311 is an apocalyptic number.

1120311 is a deficient number, since it is larger than the sum of its proper divisors (553361).

1120311 is an equidigital number, since it uses as much as digits as its factorization.

1120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843 (or 13834 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1120311 is about 1058.4474479161. The cubic root of 1120311 is about 103.8594934431.

Adding to 1120311 its reverse (1130211), we get a palindrome (2250522).

It can be divided in two parts, 1120 and 311, that added together give a triangular number (1431 = T₅₃).

The spelling of 1120311 in words is "one million, one hundred twenty thousand, three hundred eleven".