1122003401 has 4 divisors (see below), whose sum is σ = 1122070404. Its totient is φ = 1121936400.

The previous prime is 1122003353. The next prime is 1122003403. The reversal of 1122003401 is 1043002211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1043002211 = 53 ⋅19679287.

It can be written as a sum of positive squares in 2 ways, for example, as 382163401 + 739840000 = 19549^2 + 27200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122003401 - 2²⁶ = 1054894537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122003403) 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, 15911 + ... + 49971.

It is an arithmetic number, because the mean of its divisors is an integer number (280517601).

Almost surely, 2^1122003401 is an apocalyptic number.

It is an amenable number.

1122003401 is a deficient number, since it is larger than the sum of its proper divisors (67003).

1122003401 is an equidigital number, since it uses as much as digits as its factorization.

1122003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67002.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1122003401 is about 33496.3192156989. The cubic root of 1122003401 is about 1039.1176567661.

Adding to 1122003401 its reverse (1043002211), we get a palindrome (2165005612).

The spelling of 1122003401 in words is "one billion, one hundred twenty-two million, three thousand, four hundred one".