1027070665 has 8 divisors (see below), whose sum is σ = 1237396608. Its totient is φ = 818382000.

The previous prime is 1027070621. The next prime is 1027070683. The reversal of 1027070665 is 5660707201.

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

It is not a de Polignac number, because 1027070665 - 2²¹ = 1024973513 is a prime.

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 1027070665.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 407937 + ... + 410446.

It is an arithmetic number, because the mean of its divisors is an integer number (154674576).

Almost surely, 2^1027070665 is an apocalyptic number.

It is an amenable number.

1027070665 is a deficient number, since it is larger than the sum of its proper divisors (210325943).

1027070665 is an equidigital number, since it uses as much as digits as its factorization.

1027070665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818639.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1027070665 is about 32047.9432257360. The cubic root of 1027070665 is about 1008.9433333498.

Adding to 1027070665 its reverse (5660707201), we get a palindrome (6687777866).

The spelling of 1027070665 in words is "one billion, twenty-seven million, seventy thousand, six hundred sixty-five".