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124961125095889 is a prime number
BaseRepresentation
bin11100011010011011000111…
…011110001101100111010001
3121101110011111122220102021021
4130122123013132031213101
5112334330341011032024
61121434203125155441
735215100112543415
oct3432330736154721
9541404448812237
10124961125095889
11368a8796428945
1212022377b5bb81
135495a255680a4
1422c021783ad45
15e6a7d4031de4
hex71a6c778d9d1

124961125095889 has 2 divisors, whose sum is σ = 124961125095890. Its totient is φ = 124961125095888.

The previous prime is 124961125095811. The next prime is 124961125095913. The reversal of 124961125095889 is 988590521169421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63172611534400 + 61788513561489 = 7948120^2 + 7860567^2 .

It is a cyclic number.

It is not a de Polignac number, because 124961125095889 - 29 = 124961125095377 is a prime.

It is not a weakly prime, because it can be changed into another prime (124961825095889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62480562547944 + 62480562547945.

It is an arithmetic number, because the mean of its divisors is an integer number (62480562547945).

Almost surely, 2124961125095889 is an apocalyptic number.

It is an amenable number.

124961125095889 is a deficient number, since it is larger than the sum of its proper divisors (1).

124961125095889 is an equidigital number, since it uses as much as digits as its factorization.

124961125095889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111974400, while the sum is 70.

The spelling of 124961125095889 in words is "one hundred twenty-four trillion, nine hundred sixty-one billion, one hundred twenty-five million, ninety-five thousand, eight hundred eighty-nine".