1026220143 has 8 divisors (see below), whose sum is σ = 1473546928. Its totient is φ = 631520064.

The previous prime is 1026220093. The next prime is 1026220157. The reversal of 1026220143 is 3410226201.

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

It is not a de Polignac number, because 1026220143 - 2¹⁰ = 1026219119 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 (1026220163) 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, 13156630 + ... + 13156707.

It is an arithmetic number, because the mean of its divisors is an integer number (184193366).

Almost surely, 2^1026220143 is an apocalyptic number.

1026220143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1026220143 is a deficient number, since it is larger than the sum of its proper divisors (447326785).

1026220143 is a wasteful number, since it uses less digits than its factorization.

1026220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26313353.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1026220143 is about 32034.6709519545. The cubic root of 1026220143 is about 1008.6647528803.

Adding to 1026220143 its reverse (3410226201), we get a palindrome (4436446344).

The spelling of 1026220143 in words is "one billion, twenty-six million, two hundred twenty thousand, one hundred forty-three".