Search a number
-
+
1124813 is a prime number
BaseRepresentation
bin100010010100111001101
32010010221202
410102213031
5241443223
640035245
712363224
oct4224715
92103852
101124813
116a90a8
12462b25
13304c91
14213cbb
15173428
hex1129cd

1124813 has 2 divisors, whose sum is σ = 1124814. Its totient is φ = 1124812.

The previous prime is 1124807. The next prime is 1124831. The reversal of 1124813 is 3184211.

Together with next prime (1124831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946729 + 178084 = 973^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124813 - 24 = 1124797 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562406 + 562407.

It is an arithmetic number, because the mean of its divisors is an integer number (562407).

21124813 is an apocalyptic number.

It is an amenable number.

1124813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124813 is an equidigital number, since it uses as much as digits as its factorization.

1124813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 1124813 is about 1060.5720154709. The cubic root of 1124813 is about 103.9984282307.

The spelling of 1124813 in words is "one million, one hundred twenty-four thousand, eight hundred thirteen".