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124234129 is a prime number
BaseRepresentation
bin1110110011110…
…10100110010001
322122202202012001
413121322212101
5223300443004
620154434001
73035654425
oct731724621
9278682161
10124234129
1164143a38
1235732901
131c97a226
14126dcb85
15ad901a4
hex767a991

124234129 has 2 divisors, whose sum is σ = 124234130. Its totient is φ = 124234128.

The previous prime is 124234127. The next prime is 124234157. The reversal of 124234129 is 921432421.

It is an a-pointer prime, because the next prime (124234157) can be obtained adding 124234129 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124211025 + 23104 = 11145^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 124234129 - 21 = 124234127 is a prime.

Together with 124234127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 124234097 and 124234106.

It is not a weakly prime, because it can be changed into another prime (124234127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62117064 + 62117065.

It is an arithmetic number, because the mean of its divisors is an integer number (62117065).

Almost surely, 2124234129 is an apocalyptic number.

It is an amenable number.

124234129 is a deficient number, since it is larger than the sum of its proper divisors (1).

124234129 is an equidigital number, since it uses as much as digits as its factorization.

124234129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 124234129 is about 11146.0364704230. The cubic root of 124234129 is about 498.9767459977.

The spelling of 124234129 in words is "one hundred twenty-four million, two hundred thirty-four thousand, one hundred twenty-nine".