1020240361 has 4 divisors (see below), whose sum is σ = 1165988992. Its totient is φ = 874491732.

The previous prime is 1020240343. The next prime is 1020240413. The reversal of 1020240361 is 1630420201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020240361 - 2⁹ = 1020239849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020240341) 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, 72874305 + ... + 72874318.

It is an arithmetic number, because the mean of its divisors is an integer number (291497248).

Almost surely, 2^1020240361 is an apocalyptic number.

It is an amenable number.

1020240361 is a deficient number, since it is larger than the sum of its proper divisors (145748631).

1020240361 is an equidigital number, since it uses as much as digits as its factorization.

1020240361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145748630.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020240361 is about 31941.2016211037. The cubic root of 1020240361 is about 1006.7017729060.

Adding to 1020240361 its reverse (1630420201), we get a palindrome (2650660562).

The spelling of 1020240361 in words is "one billion, twenty million, two hundred forty thousand, three hundred sixty-one".