1011361 has 4 divisors (see below), whose sum is σ = 1089172. Its totient is φ = 933552.

The previous prime is 1011359. The next prime is 1011371. The reversal of 1011361 is 1631101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 547600 = 681^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011361 - 2¹ = 1011359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 77797 = 1011361 / (1 + 0 + 1 + 1 + 3 + 6 + 1).

It is a Duffinian number.

1011361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1011331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38886 + ... + 38911.

It is an arithmetic number, because the mean of its divisors is an integer number (272293).

2^1011361 is an apocalyptic number.

It is an amenable number.

1011361 is a deficient number, since it is larger than the sum of its proper divisors (77811).

1011361 is an equidigital number, since it uses as much as digits as its factorization.

1011361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77810.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1011361 is about 1005.6644569637. The cubic root of 1011361 is about 100.3772748469.

Adding to 1011361 its reverse (1631101), we get a palindrome (2642462).

The spelling of 1011361 in words is "one million, eleven thousand, three hundred sixty-one".