43122001 has 8 divisors (see below), whose sum is σ = 48883520. Its totient is φ = 37709712.

The previous prime is 43121999. The next prime is 43122017. The reversal of 43122001 is 10022134.

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 43122001 - 2¹ = 43121999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43122031) 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, 87045 + ... + 87538.

It is an arithmetic number, because the mean of its divisors is an integer number (6110440).

Almost surely, 2^43122001 is an apocalyptic number.

It is an amenable number.

43122001 is a deficient number, since it is larger than the sum of its proper divisors (5761519).

43122001 is a wasteful number, since it uses less digits than its factorization.

43122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174615.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 43122001 is about 6566.7344243543. The cubic root of 43122001 is about 350.6708250112.

Adding to 43122001 its reverse (10022134), we get a palindrome (53144135).

The spelling of 43122001 in words is "forty-three million, one hundred twenty-two thousand, one".