10087129 has 4 divisors (see below), whose sum is σ = 10863076. Its totient is φ = 9311184.

The previous prime is 10087123. The next prime is 10087153. The reversal of 10087129 is 92178001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 7371225 = 1648^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10087129 - 2⁵ = 10087097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10087097 and 10087106.

It is not an unprimeable number, because it can be changed into a prime (10087123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387954 + ... + 387979.

It is an arithmetic number, because the mean of its divisors is an integer number (2715769).

Almost surely, 2^10087129 is an apocalyptic number.

It is an amenable number.

10087129 is a deficient number, since it is larger than the sum of its proper divisors (775947).

10087129 is an equidigital number, since it uses as much as digits as its factorization.

10087129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775946.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10087129 is about 3176.0240868104. The cubic root of 10087129 is about 216.0673729592.

The spelling of 10087129 in words is "ten million, eighty-seven thousand, one hundred twenty-nine".