1045103399 has 4 divisors (see below), whose sum is σ = 1045187136. Its totient is φ = 1045019664.

The previous prime is 1045103393. The next prime is 1045103401. The reversal of 1045103399 is 9933015401.

1045103399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1045103399 - 2²⁴ = 1028326183 is a prime.

It is a super-2 number, since 2×1045103399² = 2184482229202706402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045103393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18974 + ... + 49499.

It is an arithmetic number, because the mean of its divisors is an integer number (261296784).

Almost surely, 2^1045103399 is an apocalyptic number.

1045103399 is a deficient number, since it is larger than the sum of its proper divisors (83737).

1045103399 is an equidigital number, since it uses as much as digits as its factorization.

1045103399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1045103399 is about 32328.0590045242. The cubic root of 1045103399 is about 1014.8139301552.

The spelling of 1045103399 in words is "one billion, forty-five million, one hundred three thousand, three hundred ninety-nine".