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122412629 is a prime number
BaseRepresentation
bin1110100101111…
…01111001010101
322112100012120002
413102331321111
5222314201004
620051421045
73014330063
oct722757125
9275305502
10122412629
116310a469
1234bb4785
131c490111
1412387033
15ab3061e
hex74bde55

122412629 has 2 divisors, whose sum is σ = 122412630. Its totient is φ = 122412628.

The previous prime is 122412607. The next prime is 122412659. The reversal of 122412629 is 926214221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115068529 + 7344100 = 10727^2 + 2710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122412629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122412659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61206314 + 61206315.

It is an arithmetic number, because the mean of its divisors is an integer number (61206315).

Almost surely, 2122412629 is an apocalyptic number.

It is an amenable number.

122412629 is a deficient number, since it is larger than the sum of its proper divisors (1).

122412629 is an equidigital number, since it uses as much as digits as its factorization.

122412629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 122412629 is about 11064.0240871032. The cubic root of 122412629 is about 496.5260918216.

The spelling of 122412629 in words is "one hundred twenty-two million, four hundred twelve thousand, six hundred twenty-nine".