1040345103 has 32 divisors (see below), whose sum is σ = 1603510272. Its totient is φ = 587692800.

The previous prime is 1040345099. The next prime is 1040345129. The reversal of 1040345103 is 3015430401.

It is not a de Polignac number, because 1040345103 - 2² = 1040345099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1040345103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040345303) 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 31 ways as a sum of consecutive naturals, for example, 725275 + ... + 726707.

It is an arithmetic number, because the mean of its divisors is an integer number (50109696).

Almost surely, 2^1040345103 is an apocalyptic number.

1040345103 is a deficient number, since it is larger than the sum of its proper divisors (563165169).

1040345103 is a wasteful number, since it uses less digits than its factorization.

1040345103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1040345103 is about 32254.3811442725. The cubic root of 1040345103 is about 1013.2714569236.

Adding to 1040345103 its reverse (3015430401), we get a palindrome (4055775504).

The spelling of 1040345103 in words is "one billion, forty million, three hundred forty-five thousand, one hundred three".