43379121 has 8 divisors (see below), whose sum is σ = 61241184. Its totient is φ = 27218240.

The previous prime is 43379093. The next prime is 43379123. The reversal of 43379121 is 12197334.

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 43379121 - 2⁹ = 43378609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43379123) 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, 425235 + ... + 425336.

It is an arithmetic number, because the mean of its divisors is an integer number (7655148).

Almost surely, 2^43379121 is an apocalyptic number.

It is an amenable number.

43379121 is a deficient number, since it is larger than the sum of its proper divisors (17862063).

43379121 is a wasteful number, since it uses less digits than its factorization.

43379121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850591.

The product of its digits is 4536, while the sum is 30.

The square root of 43379121 is about 6586.2827907705. The cubic root of 43379121 is about 351.3664163279.

The spelling of 43379121 in words is "forty-three million, three hundred seventy-nine thousand, one hundred twenty-one".