125235547 has 2 divisors, whose sum is σ = 125235548. Its totient is φ = 125235546.

The previous prime is 125235521. The next prime is 125235553. The reversal of 125235547 is 745532521.

It is a strong prime.

It is an emirp because it is prime and its reverse (745532521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125235547 is a prime.

It is not a weakly prime, because it can be changed into another prime (125235557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62617773 + 62617774.

It is an arithmetic number, because the mean of its divisors is an integer number (62617774).

Almost surely, 2^125235547 is an apocalyptic number.

125235547 is a deficient number, since it is larger than the sum of its proper divisors (1).

125235547 is an equidigital number, since it uses as much as digits as its factorization.

125235547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 34.

The square root of 125235547 is about 11190.8689117512. The cubic root of 125235547 is about 500.3138656022.

The spelling of 125235547 in words is "one hundred twenty-five million, two hundred thirty-five thousand, five hundred forty-seven".