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125114813 is a prime number
BaseRepresentation
bin1110111010100…
…01100110111101
322201102111020222
413131101212331
5224012133223
620225351125
73046313135
oct735214675
9281374228
10125114813
116469567a
1235a984a5
131cbc8045
141288bac5
15aeb60c8
hex77519bd

125114813 has 2 divisors, whose sum is σ = 125114814. Its totient is φ = 125114812.

The previous prime is 125114783. The next prime is 125114879. The reversal of 125114813 is 318411521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114532804 + 10582009 = 10702^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 125114813 - 28 = 125114557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125114113) 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, 62557406 + 62557407.

It is an arithmetic number, because the mean of its divisors is an integer number (62557407).

Almost surely, 2125114813 is an apocalyptic number.

It is an amenable number.

125114813 is a deficient number, since it is larger than the sum of its proper divisors (1).

125114813 is an equidigital number, since it uses as much as digits as its factorization.

125114813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 26.

The square root of 125114813 is about 11185.4733024580. The cubic root of 125114813 is about 500.1530371545.

The spelling of 125114813 in words is "one hundred twenty-five million, one hundred fourteen thousand, eight hundred thirteen".