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124032149 is a prime number
BaseRepresentation
bin1110110010010…
…01010010010101
322122101111010022
413121021102111
5223223012044
620150234525
73034153523
oct731112225
9278344108
10124032149
116401620a
1235655a45
131c909307
1412689313
15ad503ee
hex7649495

124032149 has 2 divisors, whose sum is σ = 124032150. Its totient is φ = 124032148.

The previous prime is 124032127. The next prime is 124032199. The reversal of 124032149 is 941230421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 21921124 = 10105^2 + 4682^2 .

It is an emirp because it is prime and its reverse (941230421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124032149 - 212 = 124028053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124032109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62016074 + 62016075.

It is an arithmetic number, because the mean of its divisors is an integer number (62016075).

Almost surely, 2124032149 is an apocalyptic number.

It is an amenable number.

124032149 is a deficient number, since it is larger than the sum of its proper divisors (1).

124032149 is an equidigital number, since it uses as much as digits as its factorization.

124032149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 124032149 is about 11136.9721648211. The cubic root of 124032149 is about 498.7061869835.

Subtracting from 124032149 its product of nonzero digits (1728), we obtain a palindrome (124030421).

The spelling of 124032149 in words is "one hundred twenty-four million, thirty-two thousand, one hundred forty-nine".