Search a number
-
+
124172 = 2237839
BaseRepresentation
bin11110010100001100
320022022222
4132110030
512433142
62354512
71025006
oct362414
9208288
10124172
1185324
125ba38
1344699
1433376
1526bd2
hex1e50c

124172 has 12 divisors (see below), whose sum is σ = 223440. Its totient is φ = 60336.

The previous prime is 124171. The next prime is 124181. The reversal of 124172 is 271421.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 124172.

It is not an unprimeable number, because it can be changed into a prime (124171) 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, 272 + ... + 567.

It is an arithmetic number, because the mean of its divisors is an integer number (18620).

2124172 is an apocalyptic number.

It is an amenable number.

124172 is a deficient number, since it is larger than the sum of its proper divisors (99268).

124172 is a wasteful number, since it uses less digits than its factorization.

124172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its digits is 112, while the sum is 17.

The square root of 124172 is about 352.3804761902. The cubic root of 124172 is about 49.8893553358.

Adding to 124172 its reverse (271421), we get a palindrome (395593).

The spelling of 124172 in words is "one hundred twenty-four thousand, one hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 37 74 148 839 1678 3356 31043 62086 124172