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122146069 is a prime number
BaseRepresentation
bin1110100011111…
…00110100010101
322111211122220111
413101330310111
5222232133234
620042003021
73012136663
oct721746425
9274748814
10122146069
1162a48171
1234aa6471
131c3c89a6
1412317c33
15aacb664
hex747cd15

122146069 has 2 divisors, whose sum is σ = 122146070. Its totient is φ = 122146068.

The previous prime is 122146039. The next prime is 122146151. The reversal of 122146069 is 960641221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 2528100 = 10937^2 + 1590^2 .

It is an emirp because it is prime and its reverse (960641221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122146069 - 29 = 122145557 is a prime.

It is a super-2 number, since 2×1221460692 = 29839324344305522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122146069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122146019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61073034 + 61073035.

It is an arithmetic number, because the mean of its divisors is an integer number (61073035).

Almost surely, 2122146069 is an apocalyptic number.

It is an amenable number.

122146069 is a deficient number, since it is larger than the sum of its proper divisors (1).

122146069 is an equidigital number, since it uses as much as digits as its factorization.

122146069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 122146069 is about 11051.9712721306. The cubic root of 122146069 is about 496.1654259279.

The spelling of 122146069 in words is "one hundred twenty-two million, one hundred forty-six thousand, sixty-nine".