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122621297 is a prime number
BaseRepresentation
bin1110100111100…
…00110101110001
322112201210210112
413103300311301
5222342340142
620100111105
73016156331
oct723606561
9275653715
10122621297
1163242217
1235095495
131c5340a6
14123dd0c1
15ab72382
hex74f0d71

122621297 has 2 divisors, whose sum is σ = 122621298. Its totient is φ = 122621296.

The previous prime is 122621287. The next prime is 122621311. The reversal of 122621297 is 792126221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115433536 + 7187761 = 10744^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 122621297 - 210 = 122620273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122621227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310648 + 61310649.

It is an arithmetic number, because the mean of its divisors is an integer number (61310649).

Almost surely, 2122621297 is an apocalyptic number.

It is an amenable number.

122621297 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621297 is an equidigital number, since it uses as much as digits as its factorization.

122621297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 122621297 is about 11073.4500947085. The cubic root of 122621297 is about 496.8080624304.

The spelling of 122621297 in words is "one hundred twenty-two million, six hundred twenty-one thousand, two hundred ninety-seven".