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122444429 is a prime number
BaseRepresentation
bin1110100110001…
…01101010001101
322112101211011212
413103011222031
5222321210204
620052224205
73014521562
oct723055215
9275354155
10122444429
1163131348
123500b065
131c4a1733
1412394869
15ab39c6e
hex74c5a8d

122444429 has 2 divisors, whose sum is σ = 122444430. Its totient is φ = 122444428.

The previous prime is 122444401. The next prime is 122444431. The reversal of 122444429 is 924444221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 4721929 = 10850^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 122444429 - 212 = 122440333 is a prime.

Together with 122444431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122444395 and 122444404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122444029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61222214 + 61222215.

It is an arithmetic number, because the mean of its divisors is an integer number (61222215).

Almost surely, 2122444429 is an apocalyptic number.

It is an amenable number.

122444429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122444429 is an equidigital number, since it uses as much as digits as its factorization.

122444429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 32.

The square root of 122444429 is about 11065.4610839314. The cubic root of 122444429 is about 496.5690834715.

The spelling of 122444429 in words is "one hundred twenty-two million, four hundred forty-four thousand, four hundred twenty-nine".