1120775 has 12 divisors (see below), whose sum is σ = 1404672. Its totient is φ = 887040.

The previous prime is 1120771. The next prime is 1120781. The reversal of 1120775 is 5770211.

It is a happy number.

It is not a de Polignac number, because 1120775 - 2² = 1120771 is a prime.

It is a super-2 number, since 2×1120775² = 2512273201250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2999 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (117056).

2^1120775 is an apocalyptic number.

1120775 is a deficient number, since it is larger than the sum of its proper divisors (283897).

1120775 is a wasteful number, since it uses less digits than its factorization.

1120775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1120775 is about 1058.6666141898. Note that the first 4 decimals coincide. The cubic root of 1120775 is about 103.8738299840.

Adding to 1120775 its reverse (5770211), we get a palindrome (6890986).

The spelling of 1120775 in words is "one million, one hundred twenty thousand, seven hundred seventy-five".