36129123 has 6 divisors (see below), whose sum is σ = 52186524. Its totient is φ = 24086076.

The previous prime is 36129109. The next prime is 36129133. The reversal of 36129123 is 32192163.

It is not a de Polignac number, because 36129123 - 2⁵ = 36129091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36129103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2007165 + ... + 2007182.

It is an arithmetic number, because the mean of its divisors is an integer number (8697754).

Almost surely, 2^36129123 is an apocalyptic number.

36129123 is a deficient number, since it is larger than the sum of its proper divisors (16057401).

36129123 is a wasteful number, since it uses less digits than its factorization.

36129123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014353 (or 4014350 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 36129123 is about 6010.7506186832. The cubic root of 36129123 is about 330.5870267625.

The spelling of 36129123 in words is "thirty-six million, one hundred twenty-nine thousand, one hundred twenty-three".