1121361 has 16 divisors (see below), whose sum is σ = 1597440. Its totient is φ = 697680.

The previous prime is 1121357. The next prime is 1121369. The reversal of 1121361 is 1631211.

It is not a de Polignac number, because 1121361 - 2² = 1121357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121361.

It is not an unprimeable number, because it can be changed into a prime (1121369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5776 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2^1121361 is an apocalyptic number.

It is an amenable number.

1121361 is a deficient number, since it is larger than the sum of its proper divisors (476079).

1121361 is a wasteful number, since it uses less digits than its factorization.

1121361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its digits is 36, while the sum is 15.

The square root of 1121361 is about 1058.9433412605. The cubic root of 1121361 is about 103.8919303933.

Adding to 1121361 its reverse (1631211), we get a palindrome (2752572).

The spelling of 1121361 in words is "one million, one hundred twenty-one thousand, three hundred sixty-one".