1131893 has 8 divisors (see below), whose sum is σ = 1307712. Its totient is φ = 959616.

The previous prime is 1131883. The next prime is 1131913. The reversal of 1131893 is 3981311.

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

It is not a de Polignac number, because 1131893 - 2⁶ = 1131829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131863) 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, 155 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (163464).

2^1131893 is an apocalyptic number.

It is an amenable number.

1131893 is a deficient number, since it is larger than the sum of its proper divisors (175819).

1131893 is an equidigital number, since it uses as much as digits as its factorization.

1131893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its digits is 648, while the sum is 26.

The square root of 1131893 is about 1063.9046009864. The cubic root of 1131893 is about 104.2161738715.

It can be divided in two parts, 11318 and 93, that added together give a palindrome (11411).

The spelling of 1131893 in words is "one million, one hundred thirty-one thousand, eight hundred ninety-three".