Search a number
-
+
12124141 = 101120041
BaseRepresentation
bin101110001111…
…111111101101
3211210222012021
4232033333231
511100433031
61111510141
7205024231
oct56177755
924728167
1012124141
116931057
124088351
132686663
1418785c1
1510e7511
hexb8ffed

12124141 has 4 divisors (see below), whose sum is σ = 12244284. Its totient is φ = 12004000.

The previous prime is 12124139. The next prime is 12124153. The reversal of 12124141 is 14142121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 6502500 = 2371^2 + 2550^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124141 - 21 = 12124139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124171) 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, 59920 + ... + 60121.

It is an arithmetic number, because the mean of its divisors is an integer number (3061071).

Almost surely, 212124141 is an apocalyptic number.

It is an amenable number.

12124141 is a deficient number, since it is larger than the sum of its proper divisors (120143).

12124141 is a wasteful number, since it uses less digits than its factorization.

12124141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120142.

The product of its digits is 64, while the sum is 16.

The square root of 12124141 is about 3481.9737218997. The cubic root of 12124141 is about 229.7296192615.

Adding to 12124141 its reverse (14142121), we get a palindrome (26266262).

The spelling of 12124141 in words is "twelve million, one hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 101 120041 12124141