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1133081 = 3136551
BaseRepresentation
bin100010100101000011001
32010120021222
410110220121
5242224311
640141425
712426305
oct4245031
92116258
101133081
11704334
12467875
13308981
14216d05
15175adb
hex114a19

1133081 has 4 divisors (see below), whose sum is σ = 1169664. Its totient is φ = 1096500.

The previous prime is 1133071. The next prime is 1133131. The reversal of 1133081 is 1803311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1803311 = 12891399.

It is a cyclic number.

It is not a de Polignac number, because 1133081 - 26 = 1133017 is a prime.

It is a super-2 number, since 2×11330812 = 2567745105122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1133071) 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, 18245 + ... + 18306.

It is an arithmetic number, because the mean of its divisors is an integer number (292416).

21133081 is an apocalyptic number.

It is an amenable number.

1133081 is a deficient number, since it is larger than the sum of its proper divisors (36583).

1133081 is an equidigital number, since it uses as much as digits as its factorization.

1133081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1133081 is about 1064.4627753003. The cubic root of 1133081 is about 104.2526218174.

Adding to 1133081 its reverse (1803311), we get a palindrome (2936392).

It can be divided in two parts, 11330 and 81, that added together give a palindrome (11411).

The spelling of 1133081 in words is "one million, one hundred thirty-three thousand, eighty-one".

Divisors: 1 31 36551 1133081