1020242045 has 8 divisors (see below), whose sum is σ = 1224706560. Its totient is φ = 815916240.

The previous prime is 1020242009. The next prime is 1020242051. The reversal of 1020242045 is 5402420201.

It is a happy number.

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

It is not a de Polignac number, because 1020242045 - 2¹⁰ = 1020241021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17741 + ... + 48530.

It is an arithmetic number, because the mean of its divisors is an integer number (153088320).

Almost surely, 2^1020242045 is an apocalyptic number.

It is an amenable number.

1020242045 is a deficient number, since it is larger than the sum of its proper divisors (204464515).

1020242045 is an equidigital number, since it uses as much as digits as its factorization.

1020242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69355.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1020242045 is about 31941.2279820297. The cubic root of 1020242045 is about 1006.7023267901.

Adding to 1020242045 its reverse (5402420201), we get a palindrome (6422662246).

The spelling of 1020242045 in words is "one billion, twenty million, two hundred forty-two thousand, forty-five".