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125040541 is a prime number
BaseRepresentation
bin1110111001111…
…11011110011101
322201021201101011
413130333132131
5224002244131
620224015221
73045553453
oct734773635
9281251334
10125040541
116464489a
1235a61511
131cba02b2
141286c9d3
15ae9e0b1
hex773f79d

125040541 has 2 divisors, whose sum is σ = 125040542. Its totient is φ = 125040540.

The previous prime is 125040527. The next prime is 125040563. The reversal of 125040541 is 145040521.

It is an a-pointer prime, because the next prime (125040563) can be obtained adding 125040541 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 3048516 = 11045^2 + 1746^2 .

It is an emirp because it is prime and its reverse (145040521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125040541 - 211 = 125038493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125040241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62520270 + 62520271.

It is an arithmetic number, because the mean of its divisors is an integer number (62520271).

Almost surely, 2125040541 is an apocalyptic number.

It is an amenable number.

125040541 is a deficient number, since it is larger than the sum of its proper divisors (1).

125040541 is an equidigital number, since it uses as much as digits as its factorization.

125040541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 125040541 is about 11182.1527891547. The cubic root of 125040541 is about 500.0540488239.

The spelling of 125040541 in words is "one hundred twenty-five million, forty thousand, five hundred forty-one".