1403109 has 16 divisors (see below), whose sum is σ = 2098240. Its totient is φ = 926640.

The previous prime is 1403081. The next prime is 1403113. The reversal of 1403109 is 9013041.

It is not a de Polignac number, because 1403109 - 2¹³ = 1394917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403091 and 1403100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (131140).

2^1403109 is an apocalyptic number.

It is an amenable number.

1403109 is a deficient number, since it is larger than the sum of its proper divisors (695131).

1403109 is a wasteful number, since it uses less digits than its factorization.

1403109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1403109 is about 1184.5290203283. The cubic root of 1403109 is about 111.9516426020.

It can be divided in two parts, 140 and 3109, that added together give a square (3249 = 57²).

The spelling of 1403109 in words is "one million, four hundred three thousand, one hundred nine".