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122954129 is a prime number
BaseRepresentation
bin1110101010000…
…10000110010001
322120100201100122
413111002012101
5222434013004
620111200025
73022043564
oct725020621
9276321318
10122954129
116344a291
1235216015
131c61c72c
14124884db
15abdacbe
hex7542191

122954129 has 2 divisors, whose sum is σ = 122954130. Its totient is φ = 122954128.

The previous prime is 122954063. The next prime is 122954137. The reversal of 122954129 is 921459221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105103504 + 17850625 = 10252^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 122954129 - 224 = 106176913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122954189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61477064 + 61477065.

It is an arithmetic number, because the mean of its divisors is an integer number (61477065).

Almost surely, 2122954129 is an apocalyptic number.

It is an amenable number.

122954129 is a deficient number, since it is larger than the sum of its proper divisors (1).

122954129 is an equidigital number, since it uses as much as digits as its factorization.

122954129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 122954129 is about 11088.4682891732. The cubic root of 122954129 is about 497.2571530951.

The spelling of 122954129 in words is "one hundred twenty-two million, nine hundred fifty-four thousand, one hundred twenty-nine".