1020150543 has 4 divisors (see below), whose sum is σ = 1360200728. Its totient is φ = 680100360.

The previous prime is 1020150541. The next prime is 1020150563. The reversal of 1020150543 is 3450510201.

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

It is not a de Polignac number, because 1020150543 - 2¹ = 1020150541 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 (1020150541) 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, 170025088 + ... + 170025093.

It is an arithmetic number, because the mean of its divisors is an integer number (340050182).

Almost surely, 2^1020150543 is an apocalyptic number.

1020150543 is a deficient number, since it is larger than the sum of its proper divisors (340050185).

1020150543 is an equidigital number, since it uses as much as digits as its factorization.

1020150543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340050184.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1020150543 is about 31939.7956004731. The cubic root of 1020150543 is about 1006.6722300006.

Adding to 1020150543 its reverse (3450510201), we get a palindrome (4470660744).

The spelling of 1020150543 in words is "one billion, twenty million, one hundred fifty thousand, five hundred forty-three".