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124406123 is a prime number
BaseRepresentation
bin1110110101001…
…00100101101011
322200002111010012
413122210211223
5223321443443
620202242135
73040302032
oct732444553
9280074105
10124406123
1164251186
12357b634b
131ca0a5ba
1412745719
15adc6118
hex76a496b

124406123 has 2 divisors, whose sum is σ = 124406124. Its totient is φ = 124406122.

The previous prime is 124406083. The next prime is 124406141. The reversal of 124406123 is 321604421.

It is a strong prime.

It is an emirp because it is prime and its reverse (321604421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124406123 - 26 = 124406059 is a prime.

It is a super-2 number, since 2×1244061232 = 30953766879782258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (124405123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62203061 + 62203062.

It is an arithmetic number, because the mean of its divisors is an integer number (62203062).

Almost surely, 2124406123 is an apocalyptic number.

124406123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124406123 is an equidigital number, since it uses as much as digits as its factorization.

124406123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 124406123 is about 11153.7492799507. The cubic root of 124406123 is about 499.2069066711.

The spelling of 124406123 in words is "one hundred twenty-four million, four hundred six thousand, one hundred twenty-three".