1161013 has 8 divisors (see below), whose sum is σ = 1349120. Its totient is φ = 978480.

The previous prime is 1161011. The next prime is 1161031. The reversal of 1161013 is 3101611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161013 - 2¹ = 1161011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1160984 and 1161002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (168640).

2^1161013 is an apocalyptic number.

It is an amenable number.

1161013 is a deficient number, since it is larger than the sum of its proper divisors (188107).

1161013 is an equidigital number, since it uses as much as digits as its factorization.

1161013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

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

The square root of 1161013 is about 1077.5031322460. The cubic root of 1161013 is about 105.1023340942.

Adding to 1161013 its reverse (3101611), we get a palindrome (4262624).

The spelling of 1161013 in words is "one million, one hundred sixty-one thousand, thirteen".