Search a number
-
+
1121233 = 4432531
BaseRepresentation
bin100010001101111010001
32002222001011
410101233101
5241334413
640010521
712346621
oct4215721
92088034
101121233
116a6443
12460a41
13303469
14212881
1517233d
hex111bd1

1121233 has 4 divisors (see below), whose sum is σ = 1124208. Its totient is φ = 1118260.

The previous prime is 1121231. The next prime is 1121249. The reversal of 1121233 is 3321211.

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: 3321211 = 25712923.

It is a cyclic number.

It is not a de Polignac number, because 1121233 - 21 = 1121231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121231) 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, 823 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (281052).

21121233 is an apocalyptic number.

It is an amenable number.

1121233 is a deficient number, since it is larger than the sum of its proper divisors (2975).

1121233 is an equidigital number, since it uses as much as digits as its factorization.

1121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974.

The product of its digits is 36, while the sum is 13.

The square root of 1121233 is about 1058.8829019301. The cubic root of 1121233 is about 103.8879772586.

Adding to 1121233 its reverse (3321211), we get a palindrome (4442444).

The spelling of 1121233 in words is "one million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 443 2531 1121233