125242487 has 2 divisors, whose sum is σ = 125242488. Its totient is φ = 125242486.

The previous prime is 125242463. The next prime is 125242501. The reversal of 125242487 is 784242521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125242487 - 2²⁰ = 124193911 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 (125242457) 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, 62621243 + 62621244.

It is an arithmetic number, because the mean of its divisors is an integer number (62621244).

Almost surely, 2^125242487 is an apocalyptic number.

125242487 is a deficient number, since it is larger than the sum of its proper divisors (1).

125242487 is an equidigital number, since it uses as much as digits as its factorization.

125242487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 35.

The square root of 125242487 is about 11191.1789816802. The cubic root of 125242487 is about 500.3231071586.

The spelling of 125242487 in words is "one hundred twenty-five million, two hundred forty-two thousand, four hundred eighty-seven".