1075142743 has 4 divisors (see below), whose sum is σ = 1076974920. Its totient is φ = 1073310568.

The previous prime is 1075142729. The next prime is 1075142771. The reversal of 1075142743 is 3472415701.

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 1075142743 - 2⁵ = 1075142711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075142699 and 1075142708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075142773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915208 + ... + 916381.

It is an arithmetic number, because the mean of its divisors is an integer number (269243730).

Almost surely, 2^1075142743 is an apocalyptic number.

1075142743 is a deficient number, since it is larger than the sum of its proper divisors (1832177).

1075142743 is an equidigital number, since it uses as much as digits as its factorization.

1075142743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832176.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1075142743 is about 32789.3693595958. The cubic root of 1075142743 is about 1024.4451466173.

The spelling of 1075142743 in words is "one billion, seventy-five million, one hundred forty-two thousand, seven hundred forty-three".