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122150969 is a prime number
BaseRepresentation
bin1110100011111…
…10000000111001
322111211220121222
413101332000321
5222232312334
620042041425
73012160163
oct721760071
9274756558
10122150969
1162a50916
1234aa9275
131c3caca5
1412319933
15aaccd2e
hex747e039

122150969 has 2 divisors, whose sum is σ = 122150970. Its totient is φ = 122150968.

The previous prime is 122150947. The next prime is 122150989. The reversal of 122150969 is 969051221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88360000 + 33790969 = 9400^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 122150969 - 216 = 122085433 is a prime.

It is a super-2 number, since 2×1221509692 = 29841718455277922, which contains 22 as substring.

It is a Chen prime.

It is equal to p6957134 and since 122150969 and 6957134 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (122150939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61075484 + 61075485.

It is an arithmetic number, because the mean of its divisors is an integer number (61075485).

Almost surely, 2122150969 is an apocalyptic number.

It is an amenable number.

122150969 is a deficient number, since it is larger than the sum of its proper divisors (1).

122150969 is an equidigital number, since it uses as much as digits as its factorization.

122150969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 122150969 is about 11052.1929498177. The cubic root of 122150969 is about 496.1720605474.

The spelling of 122150969 in words is "one hundred twenty-two million, one hundred fifty thousand, nine hundred sixty-nine".