1120909403 has 2 divisors, whose sum is σ = 1120909404. Its totient is φ = 1120909402.

The previous prime is 1120909381. The next prime is 1120909409. The reversal of 1120909403 is 3049090211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120909403 - 2²⁰ = 1119860827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1120909409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560454701 + 560454702.

It is an arithmetic number, because the mean of its divisors is an integer number (560454702).

Almost surely, 2^1120909403 is an apocalyptic number.

1120909403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120909403 is an equidigital number, since it uses as much as digits as its factorization.

1120909403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1120909403 is about 33479.9851105104. The cubic root of 1120909403 is about 1038.7798199080.

Adding to 1120909403 its reverse (3049090211), we get a palindrome (4169999614).

The spelling of 1120909403 in words is "one billion, one hundred twenty million, nine hundred nine thousand, four hundred three".