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123001349 is a prime number
BaseRepresentation
bin1110101010011…
…01101000000101
322120110010010112
413111031220011
5222442020344
620112202405
73022331342
oct725155005
9276403115
10123001349
1163481809
1235239405
131c638083
141249b7c9
15abe9c9e
hex754da05

123001349 has 2 divisors, whose sum is σ = 123001350. Its totient is φ = 123001348.

The previous prime is 123001343. The next prime is 123001363. The reversal of 123001349 is 943100321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73650724 + 49350625 = 8582^2 + 7025^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001349 - 224 = 106224133 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 (123001343) 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, 61500674 + 61500675.

It is an arithmetic number, because the mean of its divisors is an integer number (61500675).

Almost surely, 2123001349 is an apocalyptic number.

It is an amenable number.

123001349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001349 is an equidigital number, since it uses as much as digits as its factorization.

123001349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 123001349 is about 11090.5973238595. The cubic root of 123001349 is about 497.3208014322.

The spelling of 123001349 in words is "one hundred twenty-three million, one thousand, three hundred forty-nine".