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122242469 is a prime number
BaseRepresentation
bin1110100100101…
…00010110100101
322112000120010212
413102110112211
5222243224334
620044025205
73013021016
oct722242645
9275016125
10122242469
1163003638
1234b32205
131c43082b
141234100d
15aae9ece
hex74945a5

122242469 has 2 divisors, whose sum is σ = 122242470. Its totient is φ = 122242468.

The previous prime is 122242457. The next prime is 122242489. The reversal of 122242469 is 964242221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63520900 + 58721569 = 7970^2 + 7663^2 .

It is a cyclic number.

It is not a de Polignac number, because 122242469 - 212 = 122238373 is a prime.

It is a super-2 number, since 2×1222424692 = 29886442454431922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122242429) 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, 61121234 + 61121235.

It is an arithmetic number, because the mean of its divisors is an integer number (61121235).

Almost surely, 2122242469 is an apocalyptic number.

It is an amenable number.

122242469 is a deficient number, since it is larger than the sum of its proper divisors (1).

122242469 is an equidigital number, since it uses as much as digits as its factorization.

122242469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 122242469 is about 11056.3316249107. The cubic root of 122242469 is about 496.2959193339.

The spelling of 122242469 in words is "one hundred twenty-two million, two hundred forty-two thousand, four hundred sixty-nine".