125303987 has 2 divisors, whose sum is σ = 125303988. Its totient is φ = 125303986.

The previous prime is 125303963. The next prime is 125304013. The reversal of 125303987 is 789303521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125303987 - 2¹² = 125299891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125303987.

It is not a weakly prime, because it can be changed into another prime (125303587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62651993 + 62651994.

It is an arithmetic number, because the mean of its divisors is an integer number (62651994).

Almost surely, 2^125303987 is an apocalyptic number.

125303987 is a deficient number, since it is larger than the sum of its proper divisors (1).

125303987 is an equidigital number, since it uses as much as digits as its factorization.

125303987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 125303987 is about 11193.9263442279. The cubic root of 125303987 is about 500.4049878811.

The spelling of 125303987 in words is "one hundred twenty-five million, three hundred three thousand, nine hundred eighty-seven".