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BaseRepresentation
bin11110001000110001
320021022220
4132020301
512422231
62351253
71022613
oct361061
9207286
10123441
118481a
125b529
1344256
1432db3
1526896
hex1e231

123441 has 8 divisors (see below), whose sum is σ = 171840. Its totient is φ = 78672.

The previous prime is 123439. The next prime is 123449. The reversal of 123441 is 144321.

123441 = T108 + T109 + ... + T125.

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

It is not a de Polignac number, because 123441 - 21 = 123439 is a prime.

123441 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 123441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123449) 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, 826 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (21480).

2123441 is an apocalyptic number.

It is an amenable number.

123441 is a deficient number, since it is larger than the sum of its proper divisors (48399).

123441 is a wasteful number, since it uses less digits than its factorization.

123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815.

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

The square root of 123441 is about 351.3417140050. The cubic root of 123441 is about 49.7912631243.

Adding to 123441 its reverse (144321), we get a palindrome (267762).

It can be divided in two parts, 1234 and 41, that added together give a triangular number (1275 = T50).

The spelling of 123441 in words is "one hundred twenty-three thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 3 23 69 1789 5367 41147 123441