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124872 = 23311243
BaseRepresentation
bin11110011111001000
320100021220
4132133020
512443442
62402040
71030026
oct363710
9210256
10124872
1185900
1260320
1344ab7
1433716
1526eec
hex1e7c8

124872 has 48 divisors (see below), whose sum is σ = 351120. Its totient is φ = 36960.

The previous prime is 124853. The next prime is 124897. The reversal of 124872 is 278421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2883 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (7315).

2124872 is an apocalyptic number.

124872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175560).

124872 is an abundant number, since it is smaller than the sum of its proper divisors (226248).

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

124872 is a wasteful number, since it uses less digits than its factorization.

124872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 59 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 124872 is about 353.3723248926. The cubic root of 124872 is about 49.9829275046.

It can be divided in two parts, 12 and 4872, that added together give a palindrome (4884).

The spelling of 124872 in words is "one hundred twenty-four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 43 44 66 86 88 121 129 132 172 242 258 264 344 363 473 484 516 726 946 968 1032 1419 1452 1892 2838 2904 3784 5203 5676 10406 11352 15609 20812 31218 41624 62436 124872