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BaseRepresentation
bin10001010111010100
310121120020
4101113110
54233444
61305140
7414234
oct212724
9117506
1071124
1149489
12351b0
13264b1
141bcc4
1516119
hex115d4

71124 has 12 divisors (see below), whose sum is σ = 165984. Its totient is φ = 23704.

The previous prime is 71119. The next prime is 71129. The reversal of 71124 is 42117.

It is an interprime number because it is at equal distance from previous prime (71119) and next prime (71129).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71129) 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, 2952 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (13832).

271124 is an apocalyptic number.

It is an amenable number.

71124 is an abundant number, since it is smaller than the sum of its proper divisors (94860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82992).

71124 is a wasteful number, since it uses less digits than its factorization.

71124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934 (or 5932 counting only the distinct ones).

The product of its digits is 56, while the sum is 15.

The square root of 71124 is about 266.6908322384. The cubic root of 71124 is about 41.4322696432.

The spelling of 71124 in words is "seventy-one thousand, one hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 5927 11854 17781 23708 35562 71124