2136123 has 12 divisors (see below), whose sum is σ = 3366168. Its totient is φ = 1294560.

The previous prime is 2136119. The next prime is 2136131. The reversal of 2136123 is 3216312.

It is not a de Polignac number, because 2136123 - 2² = 2136119 is a prime.

It is a super-2 number, since 2×2136123² = 9126042942258, which contains 22 as substring.

2136123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2136096 and 2136105.

It is not an unprimeable number, because it can be changed into a prime (2136133) 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, 10690 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (280514).

2^2136123 is an apocalyptic number.

2136123 is a deficient number, since it is larger than the sum of its proper divisors (1230045).

2136123 is a wasteful number, since it uses less digits than its factorization.

2136123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21594 (or 21591 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2136123 is about 1461.5481517897. The cubic root of 2136123 is about 128.7880058723.

It can be divided in two parts, 213 and 6123, that added together give a palindrome (6336).

The spelling of 2136123 in words is "two million, one hundred thirty-six thousand, one hundred twenty-three".