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1231241 = 11173647
BaseRepresentation
bin100101100100110001001
32022112221112
410230212021
5303344431
642220105
713315424
oct4544611
92275845
101231241
11771060
124b4635
1334155b
142409bb
15194c2b
hex12c989

1231241 has 8 divisors (see below), whose sum is σ = 1353024. Its totient is φ = 1111120.

The previous prime is 1231231. The next prime is 1231247. The reversal of 1231241 is 1421321.

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 1231241 - 26 = 1231177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231247) 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, 1580 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (169128).

21231241 is an apocalyptic number.

1231241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231241 is a deficient number, since it is larger than the sum of its proper divisors (121783).

1231241 is a wasteful number, since it uses less digits than its factorization.

1231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its digits is 48, while the sum is 14.

The square root of 1231241 is about 1109.6129955980. The cubic root of 1231241 is about 107.1801489659.

Adding to 1231241 its reverse (1421321), we get a palindrome (2652562).

The spelling of 1231241 in words is "one million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 11 173 647 1903 7117 111931 1231241