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123027 = 3231783
BaseRepresentation
bin11110000010010011
320020202120
4132002103
512414102
62345323
71021452
oct360223
9206676
10123027
1184483
125b243
1343cc8
1432b99
15266bc
hex1e093

123027 has 8 divisors (see below), whose sum is σ = 171264. Its totient is φ = 78408.

The previous prime is 123017. The next prime is 123031. The reversal of 123027 is 720321.

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

It is not a de Polignac number, because 123027 - 26 = 122963 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 122997 and 123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123007) 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, 823 + ... + 960.

It is an arithmetic number, because the mean of its divisors is an integer number (21408).

2123027 is an apocalyptic number.

123027 is a deficient number, since it is larger than the sum of its proper divisors (48237).

123027 is a wasteful number, since it uses less digits than its factorization.

123027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 123027 is about 350.7520491743. The cubic root of 123027 is about 49.7355369858.

Adding to 123027 its reverse (720321), we get a palindrome (843348).

The spelling of 123027 in words is "one hundred twenty-three thousand, twenty-seven", and thus it is an iban number.

Divisors: 1 3 23 69 1783 5349 41009 123027