122005001 has 8 divisors (see below), whose sum is σ = 126480000. Its totient is φ = 117547920.

The previous prime is 122004991. The next prime is 122005003. The reversal of 122005001 is 100500221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122005001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122005003) 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, 10256 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (15810000).

Almost surely, 2^122005001 is an apocalyptic number.

It is an amenable number.

122005001 is a deficient number, since it is larger than the sum of its proper divisors (4474999).

122005001 is an equidigital number, since it uses as much as digits as its factorization.

122005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 122005001 is about 11045.5873995003. The cubic root of 122005001 is about 495.9743431599.

Adding to 122005001 its reverse (100500221), we get a palindrome (222505222).

The spelling of 122005001 in words is "one hundred twenty-two million, five thousand, one".