122000001 has 8 divisors (see below), whose sum is σ = 162746304. Its totient is φ = 81293520.

The previous prime is 121999991. The next prime is 122000003. The reversal of 122000001 is 100000221.

It is a happy number.

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

It is not a de Polignac number, because 122000001 - 2⁹ = 121999489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866 + ... + 15731.

It is an arithmetic number, because the mean of its divisors is an integer number (20343288).

Almost surely, 2^122000001 is an apocalyptic number.

It is an amenable number.

122000001 is a deficient number, since it is larger than the sum of its proper divisors (40746303).

122000001 is a wasteful number, since it uses less digits than its factorization.

122000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19911.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 122000001 is about 11045.3610624551. The cubic root of 122000001 is about 495.9675677393.

Adding to 122000001 its reverse (100000221), we get a palindrome (222000222).

The spelling of 122000001 in words is "one hundred twenty-two million, one", and thus it is an aban number.