Search a number
-
+
1125241 = 13101857
BaseRepresentation
bin100010010101101111001
32010011112121
410102231321
5242001431
640041241
712364405
oct4225571
92104477
101125241
116a9457
12463221
13305230
14214105
15173611
hex112b79

1125241 has 8 divisors (see below), whose sum is σ = 1225224. Its totient is φ = 1027200.

The previous prime is 1125221. The next prime is 1125253. The reversal of 1125241 is 1425211.

It can be written as a sum of positive squares in 4 ways, for example, as 518400 + 606841 = 720^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125241 - 25 = 1125209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125221) 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, 885 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (153153).

21125241 is an apocalyptic number.

It is an amenable number.

1125241 is a deficient number, since it is larger than the sum of its proper divisors (99983).

1125241 is a wasteful number, since it uses less digits than its factorization.

1125241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 80, while the sum is 16.

The square root of 1125241 is about 1060.7737741856. The cubic root of 1125241 is about 104.0116172920.

It can be divided in two parts, 11 and 25241, that added together give a palindrome (25252).

The spelling of 1125241 in words is "one million, one hundred twenty-five thousand, two hundred forty-one".

Divisors: 1 13 101 857 1313 11141 86557 1125241