1020272863 has 4 divisors (see below), whose sum is σ = 1026170568. Its totient is φ = 1014375160.

The previous prime is 1020272831. The next prime is 1020272879. The reversal of 1020272863 is 3682720201.

1020272863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020272863 - 2⁵ = 1020272831 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 (1020272263) 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, 2948593 + ... + 2948938.

It is an arithmetic number, because the mean of its divisors is an integer number (256542642).

Almost surely, 2^1020272863 is an apocalyptic number.

1020272863 is a deficient number, since it is larger than the sum of its proper divisors (5897705).

1020272863 is an equidigital number, since it uses as much as digits as its factorization.

1020272863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897704.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1020272863 is about 31941.7103956566. The cubic root of 1020272863 is about 1006.7124630253.

The spelling of 1020272863 in words is "one billion, twenty million, two hundred seventy-two thousand, eight hundred sixty-three".