Search a number
-
+
124993 = 1121033
BaseRepresentation
bin11110100001000001
320100110101
4132201001
512444433
62402401
71030261
oct364101
9210411
10124993
1185a00
1260401
1344b7b
14337a1
152707d
hex1e841

124993 has 6 divisors (see below), whose sum is σ = 137522. Its totient is φ = 113520.

The previous prime is 124991. The next prime is 125003. The reversal of 124993 is 399421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123904 + 1089 = 352^2 + 33^2 .

It is not a de Polignac number, because 124993 - 21 = 124991 is a prime.

124993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (124991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396 + ... + 637.

124993 is a Friedman number, since it can be written as (41+9)^3-9+2, using all its digits and the basic arithmetic operations.

2124993 is an apocalyptic number.

It is an amenable number.

124993 is a deficient number, since it is larger than the sum of its proper divisors (12529).

124993 is a wasteful number, since it uses less digits than its factorization.

124993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1044 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 124993 is about 353.5434909597. The cubic root of 124993 is about 49.9990666492. Note that the first 3 decimals are identical.

It can be divided in two parts, 12 and 4993, that added together give a palindrome (5005).

The spelling of 124993 in words is "one hundred twenty-four thousand, nine hundred ninety-three".

Divisors: 1 11 121 1033 11363 124993