87125103 has 12 divisors (see below), whose sum is σ = 135528120. Its totient is φ = 53615376.

The previous prime is 87125083. The next prime is 87125131. The reversal of 87125103 is 30152178.

It is not a de Polignac number, because 87125103 - 2⁹ = 87124591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87125503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372213 + ... + 372446.

It is an arithmetic number, because the mean of its divisors is an integer number (11294010).

Almost surely, 2^87125103 is an apocalyptic number.

87125103 is a deficient number, since it is larger than the sum of its proper divisors (48403017).

87125103 is a wasteful number, since it uses less digits than its factorization.

87125103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744678 (or 744675 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 87125103 is about 9334.0828687129. The cubic root of 87125103 is about 443.3170502371.

The spelling of 87125103 in words is "eighty-seven million, one hundred twenty-five thousand, one hundred three".