1222124003 has 4 divisors (see below), whose sum is σ = 1264266240. Its totient is φ = 1179981768.

The previous prime is 1222123997. The next prime is 1222124009. The reversal of 1222124003 is 3004212221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1222123997) and next prime (1222124009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222124003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222124009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21071075 + ... + 21071132.

It is an arithmetic number, because the mean of its divisors is an integer number (316066560).

Almost surely, 2^1222124003 is an apocalyptic number.

1222124003 is a deficient number, since it is larger than the sum of its proper divisors (42142237).

1222124003 is an equidigital number, since it uses as much as digits as its factorization.

1222124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42142236.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1222124003 is about 34958.8901854736. The cubic root of 1222124003 is about 1069.1494690926.

Adding to 1222124003 its reverse (3004212221), we get a palindrome (4226336224).

The spelling of 1222124003 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, three".