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122491301 is a prime number
BaseRepresentation
bin1110100110100…
…01000110100101
322112111012110212
413103101012211
5222324210201
620053225205
73015105332
oct723210645
9275435425
10122491301
1163163589
1235032205
131c4b9b7a
14123a7989
15ab48abb
hex74d11a5

122491301 has 2 divisors, whose sum is σ = 122491302. Its totient is φ = 122491300.

The previous prime is 122491297. The next prime is 122491319. The reversal of 122491301 is 103194221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 22791076 = 9985^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 122491301 - 22 = 122491297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122491381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61245650 + 61245651.

It is an arithmetic number, because the mean of its divisors is an integer number (61245651).

Almost surely, 2122491301 is an apocalyptic number.

It is an amenable number.

122491301 is a deficient number, since it is larger than the sum of its proper divisors (1).

122491301 is an equidigital number, since it uses as much as digits as its factorization.

122491301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 122491301 is about 11067.5788228501. The cubic root of 122491301 is about 496.6324379716.

The spelling of 122491301 in words is "one hundred twenty-two million, four hundred ninety-one thousand, three hundred one".