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125441 is a prime number
BaseRepresentation
bin11110101000000001
320101001222
4132220001
513003231
62404425
71031501
oct365001
9211058
10125441
1186278
1260715
1345134
1433a01
152727b
hex1ea01

125441 has 2 divisors, whose sum is σ = 125442. Its totient is φ = 125440.

The previous prime is 125429. The next prime is 125453. The reversal of 125441 is 144521.

It is a balanced prime because it is at equal distance from previous prime (125429) and next prime (125453).

It can be written as a sum of positive squares in only one way, i.e., 87025 + 38416 = 295^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125441 is a prime.

It is not a weakly prime, because it can be changed into another prime (125471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62720 + 62721.

It is an arithmetic number, because the mean of its divisors is an integer number (62721).

It is a Proth number, since it is equal to 245 ⋅ 29 + 1 and 245 < 29.

2125441 is an apocalyptic number.

It is an amenable number.

125441 is a deficient number, since it is larger than the sum of its proper divisors (1).

125441 is an equidigital number, since it uses as much as digits as its factorization.

125441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 17.

The square root of 125441 is about 354.1765096671. The cubic root of 125441 is about 50.0587309864.

Adding to 125441 its reverse (144521), we get a palindrome (269962).

The spelling of 125441 in words is "one hundred twenty-five thousand, four hundred forty-one".