4112729 has 4 divisors (see below), whose sum is σ = 4136676. Its totient is φ = 4088784.

The previous prime is 4112723. The next prime is 4112753. The reversal of 4112729 is 9272114.

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 2474329 + 1638400 = 1573^2 + 1280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4112729 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4112698 and 4112707.

It is not an unprimeable number, because it can be changed into a prime (4112723) 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, 11714 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (1034169).

Almost surely, 2^4112729 is an apocalyptic number.

It is an amenable number.

4112729 is a deficient number, since it is larger than the sum of its proper divisors (23947).

4112729 is a wasteful number, since it uses less digits than its factorization.

4112729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23946.

The product of its digits is 1008, while the sum is 26.

The square root of 4112729 is about 2027.9864397969. The cubic root of 4112729 is about 160.2175296421.

The spelling of 4112729 in words is "four million, one hundred twelve thousand, seven hundred twenty-nine".