122001003 has 12 divisors (see below), whose sum is σ = 176354568. Its totient is φ = 81273600.

The previous prime is 122001001. The next prime is 122001013. The reversal of 122001003 is 300100221.

It is a happy number.

It is not a de Polignac number, because 122001003 - 2¹ = 122001001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (122001001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10176 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (14696214).

Almost surely, 2^122001003 is an apocalyptic number.

122001003 is a deficient number, since it is larger than the sum of its proper divisors (54353565).

122001003 is a wasteful number, since it uses less digits than its factorization.

122001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074 (or 10071 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 122001003 is about 11045.4064207706. The cubic root of 122001003 is about 495.9689255485.

Adding to 122001003 its reverse (300100221), we get a palindrome (422101224).

It can be divided in two parts, 12200 and 1003, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 122001003 in words is "one hundred twenty-two million, one thousand, three".