36872129 has 4 divisors (see below), whose sum is σ = 42139584. Its totient is φ = 31604676.

The previous prime is 36872119. The next prime is 36872149. The reversal of 36872129 is 92127863.

36872129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92127863 = 173 ⋅532531.

It is a cyclic number.

It is not a de Polignac number, because 36872129 - 2¹² = 36868033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36872092 and 36872101.

It is not an unprimeable number, because it can be changed into a prime (36872119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633717 + ... + 2633730.

It is an arithmetic number, because the mean of its divisors is an integer number (10534896).

Almost surely, 2^36872129 is an apocalyptic number.

It is an amenable number.

36872129 is a deficient number, since it is larger than the sum of its proper divisors (5267455).

36872129 is an equidigital number, since it uses as much as digits as its factorization.

36872129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267454.

The product of its digits is 36288, while the sum is 38.

The square root of 36872129 is about 6072.2425017451. The cubic root of 36872129 is about 332.8378731447.

The spelling of 36872129 in words is "thirty-six million, eight hundred seventy-two thousand, one hundred twenty-nine".