987125207 has 2 divisors, whose sum is σ = 987125208. Its totient is φ = 987125206.

The previous prime is 987125197. The next prime is 987125239. The reversal of 987125207 is 702521789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987125207 - 2⁸ = 987124951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987145207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493562603 + 493562604.

It is an arithmetic number, because the mean of its divisors is an integer number (493562604).

Almost surely, 2^987125207 is an apocalyptic number.

987125207 is a deficient number, since it is larger than the sum of its proper divisors (1).

987125207 is an equidigital number, since it uses as much as digits as its factorization.

987125207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 987125207 is about 31418.5487729780. The cubic root of 987125207 is about 995.6898516449.

The spelling of 987125207 in words is "nine hundred eighty-seven million, one hundred twenty-five thousand, two hundred seven".