125210387 has 2 divisors, whose sum is σ = 125210388. Its totient is φ = 125210386.

The previous prime is 125210383. The next prime is 125210411. The reversal of 125210387 is 783012521.

It is a weak prime.

It is an emirp because it is prime and its reverse (783012521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125210387 - 2² = 125210383 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (125210383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62605193 + 62605194.

It is an arithmetic number, because the mean of its divisors is an integer number (62605194).

Almost surely, 2^125210387 is an apocalyptic number.

125210387 is a deficient number, since it is larger than the sum of its proper divisors (1).

125210387 is an equidigital number, since it uses as much as digits as its factorization.

125210387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 125210387 is about 11189.7447245234. The cubic root of 125210387 is about 500.2803587685.

The spelling of 125210387 in words is "one hundred twenty-five million, two hundred ten thousand, three hundred eighty-seven".