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1223241 = 3407747
BaseRepresentation
bin100101010101001001001
32022010222020
410222221021
5303120431
642115053
713253205
oct4525111
92263866
101223241
11766048
124aba89
1333aa16
1423bb05
15192696
hex12aa49

1223241 has 4 divisors (see below), whose sum is σ = 1630992. Its totient is φ = 815492.

The previous prime is 1223237. The next prime is 1223263. The reversal of 1223241 is 1423221.

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.

It is a cyclic number.

It is not a de Polignac number, because 1223241 - 22 = 1223237 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223241.

It is not an unprimeable number, because it can be changed into a prime (1223231) 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, 203871 + ... + 203876.

It is an arithmetic number, because the mean of its divisors is an integer number (407748).

21223241 is an apocalyptic number.

It is an amenable number.

1223241 is a deficient number, since it is larger than the sum of its proper divisors (407751).

1223241 is an equidigital number, since it uses as much as digits as its factorization.

1223241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407750.

The product of its digits is 96, while the sum is 15.

The square root of 1223241 is about 1106.0022603955. The cubic root of 1223241 is about 106.9475097014.

Adding to 1223241 its reverse (1423221), we get a palindrome (2646462).

The spelling of 1223241 in words is "one million, two hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 3 407747 1223241