125412541 has 2 divisors, whose sum is σ = 125412542. Its totient is φ = 125412540.

The previous prime is 125412509. The next prime is 125412557. The reversal of 125412541 is 145214521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70207641 + 55204900 = 8379^2 + 7430^2 .

It is an emirp because it is prime and its reverse (145214521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125412541 - 2⁵ = 125412509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125412571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706270 + 62706271.

It is an arithmetic number, because the mean of its divisors is an integer number (62706271).

Almost surely, 2^125412541 is an apocalyptic number.

It is an amenable number.

125412541 is a deficient number, since it is larger than the sum of its proper divisors (1).

125412541 is an equidigital number, since it uses as much as digits as its factorization.

125412541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 125412541 is about 11198.7740846934. The cubic root of 125412541 is about 500.5494506535.

The spelling of 125412541 in words is "one hundred twenty-five million, four hundred twelve thousand, five hundred forty-one".