1075403123 has 4 divisors (see below), whose sum is σ = 1076219760. Its totient is φ = 1074586488.

The previous prime is 1075403117. The next prime is 1075403137. The reversal of 1075403123 is 3213045701.

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

It is a cyclic number.

It is not a de Polignac number, because 1075403123 - 2¹² = 1075399027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075403092 and 1075403101.

It is not an unprimeable number, because it can be changed into a prime (1075403183) 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 3 ways as a sum of consecutive naturals, for example, 406340 + ... + 408977.

It is an arithmetic number, because the mean of its divisors is an integer number (269054940).

Almost surely, 2^1075403123 is an apocalyptic number.

1075403123 is a deficient number, since it is larger than the sum of its proper divisors (816637).

1075403123 is an equidigital number, since it uses as much as digits as its factorization.

1075403123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816636.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1075403123 is about 32793.3396134032. The cubic root of 1075403123 is about 1024.5278405970.

Adding to 1075403123 its reverse (3213045701), we get a palindrome (4288448824).

The spelling of 1075403123 in words is "one billion, seventy-five million, four hundred three thousand, one hundred twenty-three".