1020272807 has 2 divisors, whose sum is σ = 1020272808. Its totient is φ = 1020272806.

The previous prime is 1020272791. The next prime is 1020272831. The reversal of 1020272807 is 7082720201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020272807 - 2⁴ = 1020272791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020272807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020274807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510136403 + 510136404.

It is an arithmetic number, because the mean of its divisors is an integer number (510136404).

Almost surely, 2^1020272807 is an apocalyptic number.

1020272807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020272807 is an equidigital number, since it uses as much as digits as its factorization.

1020272807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1020272807 is about 31941.7095190599. The cubic root of 1020272807 is about 1006.7124446067.

The spelling of 1020272807 in words is "one billion, twenty million, two hundred seventy-two thousand, eight hundred seven".