122420001 has 16 divisors (see below), whose sum is σ = 178315200. Its totient is φ = 74089920.

The previous prime is 122419981. The next prime is 122420027. The reversal of 122420001 is 100024221.

It is a de Polignac number, because none of the positive numbers 2^k-122420001 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122420041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25975 + ... + 30323.

It is an arithmetic number, because the mean of its divisors is an integer number (11144700).

Almost surely, 2^122420001 is an apocalyptic number.

122420001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122420001 is a deficient number, since it is larger than the sum of its proper divisors (55895199).

122420001 is a wasteful number, since it uses less digits than its factorization.

122420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122420001 is about 11064.3572339291. The cubic root of 122420001 is about 496.5360589764.

Adding to 122420001 its reverse (100024221), we get a palindrome (222444222).

The spelling of 122420001 in words is "one hundred twenty-two million, four hundred twenty thousand, one".