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124189361 is a prime number
BaseRepresentation
bin1110110011011…
…11101010110001
322122200110202222
413121233222301
5223243024421
620153450425
73035410052
oct731575261
9278613688
10124189361
116411333a
1235710a15
131c962a3a
14126ca729
15ad81cab
hex766fab1

124189361 has 2 divisors, whose sum is σ = 124189362. Its totient is φ = 124189360.

The previous prime is 124189327. The next prime is 124189367. The reversal of 124189361 is 163981421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124188736 + 625 = 11144^2 + 25^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124189361 is a prime.

It is not a weakly prime, because it can be changed into another prime (124189367) 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 as a sum of consecutive naturals, namely, 62094680 + 62094681.

It is an arithmetic number, because the mean of its divisors is an integer number (62094681).

Almost surely, 2124189361 is an apocalyptic number.

It is an amenable number.

124189361 is a deficient number, since it is larger than the sum of its proper divisors (1).

124189361 is an equidigital number, since it uses as much as digits as its factorization.

124189361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 124189361 is about 11144.0280419604. The cubic root of 124189361 is about 498.9168030634.

The spelling of 124189361 in words is "one hundred twenty-four million, one hundred eighty-nine thousand, three hundred sixty-one".