1403228605 has 4 divisors (see below), whose sum is σ = 1683874332. Its totient is φ = 1122582880.

The previous prime is 1403228599. The next prime is 1403228621. The reversal of 1403228605 is 5068223041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 583608964 + 819619641 = 24158^2 + 28629^2 .

It is not a de Polignac number, because 1403228605 - 2¹⁵ = 1403195837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 140322856 + ... + 140322865.

It is an arithmetic number, because the mean of its divisors is an integer number (420968583).

Almost surely, 2^1403228605 is an apocalyptic number.

It is an amenable number.

1403228605 is a deficient number, since it is larger than the sum of its proper divisors (280645727).

1403228605 is an equidigital number, since it uses as much as digits as its factorization.

1403228605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280645726.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1403228605 is about 37459.6930713534. The cubic root of 1403228605 is about 1119.5482353703.

The spelling of 1403228605 in words is "one billion, four hundred three million, two hundred twenty-eight thousand, six hundred five".