Search a number
-
+
124441121 = 717777303
BaseRepresentation
bin1110110101011…
…01001000100001
322200011021010102
413122231020201
5223324103441
620203112145
73040506050
oct732551041
9280137112
10124441121
1164275502
1235812655
131ca204cc
1412754397
15add169b
hex76ad221

124441121 has 4 divisors (see below), whose sum is σ = 142218432. Its totient is φ = 106663812.

The previous prime is 124441103. The next prime is 124441123. The reversal of 124441121 is 121144421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124441121 - 222 = 120246817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124441093 and 124441102.

It is not an unprimeable number, because it can be changed into a prime (124441123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888645 + ... + 8888658.

It is an arithmetic number, because the mean of its divisors is an integer number (35554608).

Almost surely, 2124441121 is an apocalyptic number.

It is an amenable number.

124441121 is a deficient number, since it is larger than the sum of its proper divisors (17777311).

124441121 is an equidigital number, since it uses as much as digits as its factorization.

124441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17777310.

The product of its digits is 256, while the sum is 20.

The square root of 124441121 is about 11155.3180591142. The cubic root of 124441121 is about 499.2537146706.

Adding to 124441121 its reverse (121144421), we get a palindrome (245585542).

The spelling of 124441121 in words is "one hundred twenty-four million, four hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 7 17777303 124441121