1020243301 has 16 divisors (see below), whose sum is σ = 1274019840. Its totient is φ = 793727280.

The previous prime is 1020243299. The next prime is 1020243311. The reversal of 1020243301 is 1033420201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1020243301 - 2¹ = 1020243299 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 (1020243311) 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 15 ways as a sum of consecutive naturals, for example, 39580 + ... + 60058.

It is an arithmetic number, because the mean of its divisors is an integer number (79626240).

Almost surely, 2^1020243301 is an apocalyptic number.

1020243301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020243301 is a deficient number, since it is larger than the sum of its proper divisors (253776539).

1020243301 is a wasteful number, since it uses less digits than its factorization.

1020243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21144.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020243301 is about 31941.2476431338. The cubic root of 1020243301 is about 1006.7027399004.

Adding to 1020243301 its reverse (1033420201), we get a palindrome (2053663502).

Subtracting 1020243301 from its reverse (1033420201), we obtain a square (13176900 = 3630²).

The spelling of 1020243301 in words is "one billion, twenty million, two hundred forty-three thousand, three hundred one".