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122555231530601 is a prime number
BaseRepresentation
bin11011110111011010011101…
…000010100110111001101001
3121001221011110210201001121112
4123313122131002212321221
5112030421103232434401
61112353032432320105
734546215612631262
oct3367323502467151
9531834423631545
10122555231530601
1136060422210951
12118b40370a3035
13534cba768425c
1422399c21a3969
15e27e220493bb
hex6f769d0a6e69

122555231530601 has 2 divisors, whose sum is σ = 122555231530602. Its totient is φ = 122555231530600.

The previous prime is 122555231530549. The next prime is 122555231530603. The reversal of 122555231530601 is 106035132555221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114252903877225 + 8302327653376 = 10688915^2 + 2881376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122555231530601 is a prime.

It is a Sophie Germain prime.

Together with 122555231530603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122555231530603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277615765300 + 61277615765301.

It is an arithmetic number, because the mean of its divisors is an integer number (61277615765301).

Almost surely, 2122555231530601 is an apocalyptic number.

It is an amenable number.

122555231530601 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555231530601 is an equidigital number, since it uses as much as digits as its factorization.

122555231530601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 122555231530601 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred thirty thousand, six hundred one".