1020043241 has 10 divisors (see below), whose sum is σ = 1189982442. Its totient is φ = 874320720.

The previous prime is 1020043229. The next prime is 1020043267. The reversal of 1020043241 is 1423400201.

It can be written as a sum of positive squares in only one way, i.e., 875923216 + 144120025 = 29596^2 + 12005^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1020043241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020043201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 210020 + ... + 214821.

Almost surely, 2^1020043241 is an apocalyptic number.

It is an amenable number.

1020043241 is a deficient number, since it is larger than the sum of its proper divisors (169939201).

1020043241 is an frugal number, since it uses more digits than its factorization.

1020043241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424869 (or 424848 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1020043241 is about 31938.1158022824. The cubic root of 1020043241 is about 1006.6369339907.

Adding to 1020043241 its reverse (1423400201), we get a palindrome (2443443442).

The spelling of 1020043241 in words is "one billion, twenty million, forty-three thousand, two hundred forty-one".