1020500743 has 8 divisors (see below), whose sum is σ = 1041706656. Its totient is φ = 999367200.

The previous prime is 1020500729. The next prime is 1020500759. The reversal of 1020500743 is 3470050201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020500743 - 2⁵ = 1020500711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020500443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10878 + ... + 46468.

It is an arithmetic number, because the mean of its divisors is an integer number (130213332).

Almost surely, 2^1020500743 is an apocalyptic number.

1020500743 is a deficient number, since it is larger than the sum of its proper divisors (21205913).

1020500743 is an equidigital number, since it uses as much as digits as its factorization.

1020500743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36185.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1020500743 is about 31945.2773191907. The cubic root of 1020500743 is about 1006.7874078650.

Adding to 1020500743 its reverse (3470050201), we get a palindrome (4490550944).

The spelling of 1020500743 in words is "one billion, twenty million, five hundred thousand, seven hundred forty-three".