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122322997 is a prime number
BaseRepresentation
bin1110100101010…
…00000000110101
322112011122121101
413102220000311
5222303313442
620045450101
73013504546
oct722500065
9275148541
10122322997
1163059095
1234b70931
131c45b394
14123624cd
15ab13cb7
hex74a8035

122322997 has 2 divisors, whose sum is σ = 122322998. Its totient is φ = 122322996.

The previous prime is 122322979. The next prime is 122323027. The reversal of 122322997 is 799223221.

Together with previous prime (122322979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69455556 + 52867441 = 8334^2 + 7271^2 .

It is an emirp because it is prime and its reverse (799223221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122322997 - 215 = 122290229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122322197) 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, 61161498 + 61161499.

It is an arithmetic number, because the mean of its divisors is an integer number (61161499).

Almost surely, 2122322997 is an apocalyptic number.

It is an amenable number.

122322997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122322997 is an equidigital number, since it uses as much as digits as its factorization.

122322997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 122322997 is about 11059.9727395686. The cubic root of 122322997 is about 496.4048747715.

The spelling of 122322997 in words is "one hundred twenty-two million, three hundred twenty-two thousand, nine hundred ninety-seven".