1020272867 has 8 divisors (see below), whose sum is σ = 1117540800. Its totient is φ = 927144064.

The previous prime is 1020272831. The next prime is 1020272879. The reversal of 1020272867 is 7682720201.

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 1020272867 - 2¹⁸ = 1020010723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020272807) 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 in 7 ways as a sum of consecutive naturals, for example, 1034267 + ... + 1035252.

It is an arithmetic number, because the mean of its divisors is an integer number (139692600).

Almost surely, 2^1020272867 is an apocalyptic number.

1020272867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1020272867 is a deficient number, since it is larger than the sum of its proper divisors (97267933).

1020272867 is a wasteful number, since it uses less digits than its factorization.

1020272867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069565.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1020272867 is about 31941.7104582707. The cubic root of 1020272867 is about 1006.7124643409.

The spelling of 1020272867 in words is "one billion, twenty million, two hundred seventy-two thousand, eight hundred sixty-seven".