1020874863 has 8 divisors (see below), whose sum is σ = 1361488176. Its totient is φ = 680422400.

The previous prime is 1020874861. The next prime is 1020874879. The reversal of 1020874863 is 3684780201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020874863 - 2¹ = 1020874861 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020874861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24528 + ... + 51413.

It is an arithmetic number, because the mean of its divisors is an integer number (170186022).

Almost surely, 2^1020874863 is an apocalyptic number.

1020874863 is a deficient number, since it is larger than the sum of its proper divisors (340613313).

1020874863 is an equidigital number, since it uses as much as digits as its factorization.

1020874863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80425.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1020874863 is about 31951.1324212460. The cubic root of 1020874863 is about 1006.9104237108.

The spelling of 1020874863 in words is "one billion, twenty million, eight hundred seventy-four thousand, eight hundred sixty-three".