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1252133 = 2943177
BaseRepresentation
bin100110001101100100101
32100121121022
410301230211
5310032013
642500525
713433351
oct4615445
92317538
101252133
11785823
12504745
1334ac0c
14248461
1519b008
hex131b25

1252133 has 4 divisors (see below), whose sum is σ = 1295340. Its totient is φ = 1208928.

The previous prime is 1252129. The next prime is 1252151. The reversal of 1252133 is 3312521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3312521 = 7345377.

It can be written as a sum of positive squares in 2 ways, for example, as 708964 + 543169 = 842^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252133 - 22 = 1252129 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 (1252103) 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, 21560 + ... + 21617.

It is an arithmetic number, because the mean of its divisors is an integer number (323835).

21252133 is an apocalyptic number.

It is an amenable number.

1252133 is a deficient number, since it is larger than the sum of its proper divisors (43207).

1252133 is an equidigital number, since it uses as much as digits as its factorization.

1252133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43206.

The product of its digits is 180, while the sum is 17.

The square root of 1252133 is about 1118.9874887594. The cubic root of 1252133 is about 107.7829718056.

Adding to 1252133 its reverse (3312521), we get a palindrome (4564654).

The spelling of 1252133 in words is "one million, two hundred fifty-two thousand, one hundred thirty-three".

Divisors: 1 29 43177 1252133