1043609103 has 40 divisors (see below), whose sum is σ = 1598268672. Its totient is φ = 678320784.

The previous prime is 1043609101. The next prime is 1043609173. The reversal of 1043609103 is 3019063401.

1043609103 is a `hidden beast` number, since 1 + 0 + 43 + 609 + 10 + 3 = 666.

It is not a de Polignac number, because 1043609103 - 2¹ = 1043609101 is a prime.

It is a super-4 number, since 4×1043609103⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043609101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1777576 + ... + 1778162.

Almost surely, 2^1043609103 is an apocalyptic number.

1043609103 is a deficient number, since it is larger than the sum of its proper divisors (554659569).

1043609103 is an equidigital number, since it uses as much as digits as its factorization.

1043609103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1043609103 is about 32304.9392972654. The cubic root of 1043609103 is about 1014.3300368206.

The spelling of 1043609103 in words is "one billion, forty-three million, six hundred nine thousand, one hundred three".