1120356 has 18 divisors (see below), whose sum is σ = 2832102. Its totient is φ = 373440.

The previous prime is 1120349. The next prime is 1120363. The reversal of 1120356 is 6530211.

It is an interprime number because it is at equal distance from previous prime (1120349) and next prime (1120363).

It can be written as a sum of positive squares in only one way, i.e., 968256 + 152100 = 984^2 + 390^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15525 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (157339).

2^1120356 is an apocalyptic number.

It is an amenable number.

1120356 is an abundant number, since it is smaller than the sum of its proper divisors (1711746).

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

1120356 is a wasteful number, since it uses less digits than its factorization.

1120356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31131 (or 31126 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1120356 is about 1058.4687052530. The cubic root of 1120356 is about 103.8608840137.

Adding to 1120356 its reverse (6530211), we get a palindrome (7650567).

The spelling of 1120356 in words is "one million, one hundred twenty thousand, three hundred fifty-six".