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122666701 is a prime number
BaseRepresentation
bin1110100111110…
…11111011001101
322112211010002011
413103323323031
5222400313301
620101101221
73016435603
oct723737315
9275733064
10122666701
1163273343
12350b7811
131c54b961
1412411873
15ab80a51
hex74fbecd

122666701 has 2 divisors, whose sum is σ = 122666702. Its totient is φ = 122666700.

The previous prime is 122666699. The next prime is 122666737. The reversal of 122666701 is 107666221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122544900 + 121801 = 11070^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 122666701 - 21 = 122666699 is a prime.

Together with 122666699, it forms a pair of twin primes.

It is the 11076-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122666801) by changing a digit.

It is a nontrivial repunit in base 11075.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61333350 + 61333351.

It is an arithmetic number, because the mean of its divisors is an integer number (61333351).

Almost surely, 2122666701 is an apocalyptic number.

It is an amenable number.

122666701 is a deficient number, since it is larger than the sum of its proper divisors (1).

122666701 is an equidigital number, since it uses as much as digits as its factorization.

122666701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 122666701 is about 11075.5000338585. The cubic root of 122666701 is about 496.8693739379.

The spelling of 122666701 in words is "one hundred twenty-two million, six hundred sixty-six thousand, seven hundred one".