43122136 has 8 divisors (see below), whose sum is σ = 80854020. Its totient is φ = 21561064.

The previous prime is 43122113. The next prime is 43122137. The reversal of 43122136 is 63122134.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×43122136² = 3719037226404992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695126 + ... + 2695141.

Almost surely, 2^43122136 is an apocalyptic number.

It is an amenable number.

43122136 is a deficient number, since it is larger than the sum of its proper divisors (37731884).

43122136 is a wasteful number, since it uses less digits than its factorization.

43122136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390273 (or 5390269 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 43122136 is about 6566.7447034280. The cubic root of 43122136 is about 350.6711909537.

The spelling of 43122136 in words is "forty-three million, one hundred twenty-two thousand, one hundred thirty-six".