125572547 has 2 divisors, whose sum is σ = 125572548. Its totient is φ = 125572546.

The previous prime is 125572543. The next prime is 125572549. The reversal of 125572547 is 745275521.

It is a strong prime.

It is an emirp because it is prime and its reverse (745275521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125572547 - 2² = 125572543 is a prime.

Together with 125572549, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125572547.

It is not a weakly prime, because it can be changed into another prime (125572543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62786273 + 62786274.

It is an arithmetic number, because the mean of its divisors is an integer number (62786274).

Almost surely, 2^125572547 is an apocalyptic number.

125572547 is a deficient number, since it is larger than the sum of its proper divisors (1).

125572547 is an equidigital number, since it uses as much as digits as its factorization.

125572547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98000, while the sum is 38.

The square root of 125572547 is about 11205.9157144787. The cubic root of 125572547 is about 500.7622334100.

The spelling of 125572547 in words is "one hundred twenty-five million, five hundred seventy-two thousand, five hundred forty-seven".