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124012055257 is a prime number
BaseRepresentation
bin111001101111110110…
…0011100101011011001
3102212002121120010122121
41303133230130223121
54012434041232012
6132545332421241
711650064035336
oct1633754345331
9385077503577
10124012055257
1148658632672
122004b477821
13b904469c6c
14600611798d
15335c30ca07
hex1cdfb1cad9

124012055257 has 2 divisors, whose sum is σ = 124012055258. Its totient is φ = 124012055256.

The previous prime is 124012055227. The next prime is 124012055267. The reversal of 124012055257 is 752550210421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110801771161 + 13210284096 = 332869^2 + 114936^2 .

It is a cyclic number.

It is not a de Polignac number, because 124012055257 - 27 = 124012055129 is a prime.

It is not a weakly prime, because it can be changed into another prime (124012055207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62006027628 + 62006027629.

It is an arithmetic number, because the mean of its divisors is an integer number (62006027629).

Almost surely, 2124012055257 is an apocalyptic number.

It is an amenable number.

124012055257 is a deficient number, since it is larger than the sum of its proper divisors (1).

124012055257 is an equidigital number, since it uses as much as digits as its factorization.

124012055257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 34.

Adding to 124012055257 its reverse (752550210421), we get a palindrome (876562265678).

The spelling of 124012055257 in words is "one hundred twenty-four billion, twelve million, fifty-five thousand, two hundred fifty-seven".