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123064769 is a prime number
BaseRepresentation
bin1110101010111…
…01000111000001
322120120100010102
413111131013001
5223001033034
620113412145
73023014262
oct725350701
9276510112
10123064769
1163515423
123526a055
131c65abb9
14124b6969
15ac0d97e
hex755d1c1

123064769 has 2 divisors, whose sum is σ = 123064770. Its totient is φ = 123064768.

The previous prime is 123064693. The next prime is 123064783. The reversal of 123064769 is 967460321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 9535744 = 10655^2 + 3088^2 .

It is an emirp because it is prime and its reverse (967460321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123064769 is a prime.

It is a super-2 number, since 2×1230647692 = 30289874738046722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123064169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61532384 + 61532385.

It is an arithmetic number, because the mean of its divisors is an integer number (61532385).

Almost surely, 2123064769 is an apocalyptic number.

It is an amenable number.

123064769 is a deficient number, since it is larger than the sum of its proper divisors (1).

123064769 is an equidigital number, since it uses as much as digits as its factorization.

123064769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 123064769 is about 11093.4561341360. The cubic root of 123064769 is about 497.4062602945.

The spelling of 123064769 in words is "one hundred twenty-three million, sixty-four thousand, seven hundred sixty-nine".