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124125446101 is a prime number
BaseRepresentation
bin111001110011001110…
…0111111111111010101
3102212101111220222122111
41303212130333333111
54013202103233401
6133004503031021
711652641612026
oct1634634777725
9385344828574
10124125446101
114870663a908
122008143b471
13b921abb837
1460171d2c4d
153367259e51
hex1ce673ffd5

124125446101 has 2 divisors, whose sum is σ = 124125446102. Its totient is φ = 124125446100.

The previous prime is 124125446087. The next prime is 124125446143. The reversal of 124125446101 is 101644521421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121236276100 + 2889170001 = 348190^2 + 53751^2 .

It is an emirp because it is prime and its reverse (101644521421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124125446101 - 25 = 124125446069 is a prime.

It is a super-2 number, since 2×1241254461012 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124125446201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62062723050 + 62062723051.

It is an arithmetic number, because the mean of its divisors is an integer number (62062723051).

Almost surely, 2124125446101 is an apocalyptic number.

It is an amenable number.

124125446101 is a deficient number, since it is larger than the sum of its proper divisors (1).

124125446101 is an equidigital number, since it uses as much as digits as its factorization.

124125446101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 124125446101 its reverse (101644521421), we get a palindrome (225769967522).

The spelling of 124125446101 in words is "one hundred twenty-four billion, one hundred twenty-five million, four hundred forty-six thousand, one hundred one".