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124395101 is a prime number
BaseRepresentation
bin1110110101000…
…01111001011101
322200001220222222
413122201321131
5223321120401
620202115125
73040224635
oct732417135
9280056888
10124395101
1164243976
12357abaa5
131ca0558c
14127416c5
15adc2c1b
hex76a1e5d

124395101 has 2 divisors, whose sum is σ = 124395102. Its totient is φ = 124395100.

The previous prime is 124395067. The next prime is 124395149. The reversal of 124395101 is 101593421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97042201 + 27352900 = 9851^2 + 5230^2 .

It is a cyclic number.

It is not a de Polignac number, because 124395101 - 210 = 124394077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124395151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62197550 + 62197551.

It is an arithmetic number, because the mean of its divisors is an integer number (62197551).

Almost surely, 2124395101 is an apocalyptic number.

It is an amenable number.

124395101 is a deficient number, since it is larger than the sum of its proper divisors (1).

124395101 is an equidigital number, since it uses as much as digits as its factorization.

124395101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 124395101 is about 11153.2551750599. The cubic root of 124395101 is about 499.1921635033.

The spelling of 124395101 in words is "one hundred twenty-four million, three hundred ninety-five thousand, one hundred one".