1027220471 has 4 divisors (see below), whose sum is σ = 1028885952. Its totient is φ = 1025554992.

The previous prime is 1027220443. The next prime is 1027220473. The reversal of 1027220471 is 1740227201.

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 1027220471 - 2⁶ = 1027220407 is a prime.

It is a super-3 number, since 3×1027220471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1027220471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027220473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831815 + ... + 833048.

It is an arithmetic number, because the mean of its divisors is an integer number (257221488).

Almost surely, 2^1027220471 is an apocalyptic number.

1027220471 is a deficient number, since it is larger than the sum of its proper divisors (1665481).

1027220471 is an equidigital number, since it uses as much as digits as its factorization.

1027220471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665480.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 1027220471 is about 32050.2803575881. The cubic root of 1027220471 is about 1008.9923849623.

Adding to 1027220471 its reverse (1740227201), we get a palindrome (2767447672).

The spelling of 1027220471 in words is "one billion, twenty-seven million, two hundred twenty thousand, four hundred seventy-one".