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125201 is a prime number
BaseRepresentation
bin11110100100010001
320100202002
4132210101
513001301
62403345
71031006
oct364421
9210662
10125201
118607a
1260555
1344cab
14338ad
152716b
hex1e911

125201 has 2 divisors, whose sum is σ = 125202. Its totient is φ = 125200.

The previous prime is 125197. The next prime is 125207. The reversal of 125201 is 102521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 22801 = 320^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 125201 - 22 = 125197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62600 + 62601.

It is an arithmetic number, because the mean of its divisors is an integer number (62601).

2125201 is an apocalyptic number.

It is an amenable number.

125201 is a deficient number, since it is larger than the sum of its proper divisors (1).

125201 is an equidigital number, since it uses as much as digits as its factorization.

125201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 125201 is about 353.8375333398. The cubic root of 125201 is about 50.0267856480.

Adding to 125201 its reverse (102521), we get a palindrome (227722).

It can be divided in two parts, 12520 and 1, that added together give a palindrome (12521).

The spelling of 125201 in words is "one hundred twenty-five thousand, two hundred one".