43121053 has 8 divisors (see below), whose sum is σ = 44606016. Its totient is φ = 41656800.

The previous prime is 43121033. The next prime is 43121063. The reversal of 43121053 is 35012134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43121053 - 2⁹ = 43120541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43121053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43121033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (5575752).

Almost surely, 2^43121053 is an apocalyptic number.

It is an amenable number.

43121053 is a deficient number, since it is larger than the sum of its proper divisors (1484963).

43121053 is a wasteful number, since it uses less digits than its factorization.

43121053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 43121053 is about 6566.6622419613. The cubic root of 43121053 is about 350.6682552605.

Adding to 43121053 its reverse (35012134), we get a palindrome (78133187).

The spelling of 43121053 in words is "forty-three million, one hundred twenty-one thousand, fifty-three".