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122902973 is a prime number
BaseRepresentation
bin1110101001101…
…01100110111101
322120021010011222
413110311212331
5222430343343
620110123125
73021441464
oct724654675
9276233158
10122902973
1163414906
12351b04a5
131c60236b
14124739db
15abcaa68
hex75359bd

122902973 has 2 divisors, whose sum is σ = 122902974. Its totient is φ = 122902972.

The previous prime is 122902943. The next prime is 122903009. The reversal of 122902973 is 379209221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110208004 + 12694969 = 10498^2 + 3563^2 .

It is an emirp because it is prime and its reverse (379209221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122902973 - 212 = 122898877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122902933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61451486 + 61451487.

It is an arithmetic number, because the mean of its divisors is an integer number (61451487).

Almost surely, 2122902973 is an apocalyptic number.

It is an amenable number.

122902973 is a deficient number, since it is larger than the sum of its proper divisors (1).

122902973 is an equidigital number, since it uses as much as digits as its factorization.

122902973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 122902973 is about 11086.1613284310. The cubic root of 122902973 is about 497.1881809892.

The spelling of 122902973 in words is "one hundred twenty-two million, nine hundred two thousand, nine hundred seventy-three".