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124401143173 is a prime number
BaseRepresentation
bin111001111011011100…
…0101100110110000101
3102220002201200211221011
41303312320230312011
54014233143040143
6133052112122221
711662530161416
oct1636670546605
9386081624834
10124401143173
114883822512a
1220139836371
13b966c5a7b8
146041a7b80d
153381567e9d
hex1cf6e2cd85

124401143173 has 2 divisors, whose sum is σ = 124401143174. Its totient is φ = 124401143172.

The previous prime is 124401143129. The next prime is 124401143203. The reversal of 124401143173 is 371341104421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107559073444 + 16842069729 = 327962^2 + 129777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124401143173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124401123173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62200571586 + 62200571587.

It is an arithmetic number, because the mean of its divisors is an integer number (62200571587).

Almost surely, 2124401143173 is an apocalyptic number.

It is an amenable number.

124401143173 is a deficient number, since it is larger than the sum of its proper divisors (1).

124401143173 is an equidigital number, since it uses as much as digits as its factorization.

124401143173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 124401143173 its reverse (371341104421), we get a palindrome (495742247594).

The spelling of 124401143173 in words is "one hundred twenty-four billion, four hundred one million, one hundred forty-three thousand, one hundred seventy-three".