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1143241 = 11432417
BaseRepresentation
bin100010111000111001001
32011002020021
410113013021
5243040431
640300441
712501031
oct4270711
92132207
101143241
11710a30
12471721
13310498
1421a8c1
15178b11
hex1171c9

1143241 has 8 divisors (see below), whose sum is σ = 1276704. Its totient is φ = 1014720.

The previous prime is 1143239. The next prime is 1143257. The reversal of 1143241 is 1423411.

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 1143241 - 21 = 1143239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (159588).

21143241 is an apocalyptic number.

1143241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143241 is a deficient number, since it is larger than the sum of its proper divisors (133463).

1143241 is a wasteful number, since it uses less digits than its factorization.

1143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its digits is 96, while the sum is 16.

The square root of 1143241 is about 1069.2244853163. The cubic root of 1143241 is about 104.5632958266.

Adding to 1143241 its reverse (1423411), we get a palindrome (2566652).

The spelling of 1143241 in words is "one million, one hundred forty-three thousand, two hundred forty-one".

Divisors: 1 11 43 473 2417 26587 103931 1143241