1133541 has 8 divisors (see below), whose sum is σ = 1679360. Its totient is φ = 755676.

The previous prime is 1133537. The next prime is 1133551. The reversal of 1133541 is 1453311.

It is not a de Polignac number, because 1133541 - 2² = 1133537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20965 + ... + 21018.

It is an arithmetic number, because the mean of its divisors is an integer number (209920).

2^1133541 is an apocalyptic number.

It is an amenable number.

1133541 is a deficient number, since it is larger than the sum of its proper divisors (545819).

1133541 is an equidigital number, since it uses as much as digits as its factorization.

1133541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41992 (or 41986 counting only the distinct ones).

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

The square root of 1133541 is about 1064.6788248106. The cubic root of 1133541 is about 104.2667278162.

Adding to 1133541 its reverse (1453311), we get a palindrome (2586852).

The spelling of 1133541 in words is "one million, one hundred thirty-three thousand, five hundred forty-one".