Search a number
-
+
1241105101 = 4483276847
BaseRepresentation
bin100100111111001…
…1100001011001101
310012111100200010121
41021332130023031
510020210330401
6323053104541
742520135135
oct11176341315
93174320117
101241105101
115876316a5
122a7788151
1316a187022
14bab8dac5
1573e59ca1
hex49f9c2cd

1241105101 has 4 divisors (see below), whose sum is σ = 1241386432. Its totient is φ = 1240823772.

The previous prime is 1241105051. The next prime is 1241105147. The reversal of 1241105101 is 1015011421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1015011421 = 3089328589.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1241105101 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 (1241105191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133941 + ... + 142906.

It is an arithmetic number, because the mean of its divisors is an integer number (310346608).

Almost surely, 21241105101 is an apocalyptic number.

It is an amenable number.

1241105101 is a deficient number, since it is larger than the sum of its proper divisors (281331).

1241105101 is an equidigital number, since it uses as much as digits as its factorization.

1241105101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281330.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1241105101 is about 35229.3216085692. The cubic root of 1241105101 is about 1074.6561297119.

Adding to 1241105101 its reverse (1015011421), we get a palindrome (2256116522).

The spelling of 1241105101 in words is "one billion, two hundred forty-one million, one hundred five thousand, one hundred one".

Divisors: 1 4483 276847 1241105101