125560247 has 2 divisors, whose sum is σ = 125560248. Its totient is φ = 125560246.

The previous prime is 125560241. The next prime is 125560273. The reversal of 125560247 is 742065521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125560247 - 2⁴ = 125560231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125560241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62780123 + 62780124.

It is an arithmetic number, because the mean of its divisors is an integer number (62780124).

Almost surely, 2^125560247 is an apocalyptic number.

125560247 is a deficient number, since it is larger than the sum of its proper divisors (1).

125560247 is an equidigital number, since it uses as much as digits as its factorization.

125560247 is an evil number, because the sum of its binary digits is even.

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

The square root of 125560247 is about 11205.3668837749. The cubic root of 125560247 is about 500.7458827645.

The spelling of 125560247 in words is "one hundred twenty-five million, five hundred sixty thousand, two hundred forty-seven".