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122707969 is a prime number
BaseRepresentation
bin1110101000001…
…10000000000001
322112220012200121
413110012000001
5222403123334
620102020241
73020000116
oct724060001
9275805617
10122707969
11632a134a
1235117681
131c564687
141242290d
15ab8cdb4
hex7506001

122707969 has 2 divisors, whose sum is σ = 122707970. Its totient is φ = 122707968.

The previous prime is 122707933. The next prime is 122707979. The reversal of 122707969 is 969707221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115347600 + 7360369 = 10740^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 122707969 - 27 = 122707841 is a prime.

It is a super-2 number, since 2×1227079692 = 30114491312209922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122707979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61353984 + 61353985.

It is an arithmetic number, because the mean of its divisors is an integer number (61353985).

Almost surely, 2122707969 is an apocalyptic number.

It is an amenable number.

122707969 is a deficient number, since it is larger than the sum of its proper divisors (1).

122707969 is an equidigital number, since it uses as much as digits as its factorization.

122707969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 122707969 is about 11077.3629082016. The cubic root of 122707969 is about 496.9250872546.

The spelling of 122707969 in words is "one hundred twenty-two million, seven hundred seven thousand, nine hundred sixty-nine".