1075399043 has 16 divisors (see below), whose sum is σ = 1122299904. Its totient is φ = 1029581280.

The previous prime is 1075399027. The next prime is 1075399049. The reversal of 1075399043 is 3409935701.

It is a cyclic number.

It is not a de Polignac number, because 1075399043 - 2⁴ = 1075399027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075399049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614696 + ... + 616442.

It is an arithmetic number, because the mean of its divisors is an integer number (70143744).

Almost surely, 2^1075399043 is an apocalyptic number.

1075399043 is a deficient number, since it is larger than the sum of its proper divisors (46900861).

1075399043 is a wasteful number, since it uses less digits than its factorization.

1075399043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1075399043 is about 32793.2774055903. The cubic root of 1075399043 is about 1024.5265449344.

The spelling of 1075399043 in words is "one billion, seventy-five million, three hundred ninety-nine thousand, forty-three".