125537441 has 2 divisors, whose sum is σ = 125537442. Its totient is φ = 125537440.

The previous prime is 125537413. The next prime is 125537453. The reversal of 125537441 is 144735521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 29203216 = 9815^2 + 5404^2 .

It is a cyclic number.

It is not a de Polignac number, because 125537441 - 2²² = 121343137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125537398 and 125537407.

It is not a weakly prime, because it can be changed into another prime (125534441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62768720 + 62768721.

It is an arithmetic number, because the mean of its divisors is an integer number (62768721).

Almost surely, 2^125537441 is an apocalyptic number.

It is an amenable number.

125537441 is a deficient number, since it is larger than the sum of its proper divisors (1).

125537441 is an equidigital number, since it uses as much as digits as its factorization.

125537441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 125537441 is about 11204.3492001990. The cubic root of 125537441 is about 500.7155634494.

The spelling of 125537441 in words is "one hundred twenty-five million, five hundred thirty-seven thousand, four hundred forty-one".