4122869 has 4 divisors (see below), whose sum is σ = 4127340. Its totient is φ = 4118400.

The previous prime is 4122863. The next prime is 4122893. The reversal of 4122869 is 9682214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1276900 + 2845969 = 1130^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 4122869 - 2¹² = 4118773 is a prime.

It is a super-2 number, since 2×4122869² = 33996097582322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122863) 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, 284 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (1031835).

Almost surely, 2^4122869 is an apocalyptic number.

It is an amenable number.

4122869 is a deficient number, since it is larger than the sum of its proper divisors (4471).

4122869 is a wasteful number, since it uses less digits than its factorization.

4122869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470.

The product of its digits is 6912, while the sum is 32.

The square root of 4122869 is about 2030.4849174520. The cubic root of 4122869 is about 160.3490945481.

The spelling of 4122869 in words is "four million, one hundred twenty-two thousand, eight hundred sixty-nine".