1027065897 has 144 divisors (see below), whose sum is σ = 1948572288. Its totient is φ = 513976320.

The previous prime is 1027065883. The next prime is 1027065899. The reversal of 1027065897 is 7985607201.

It is not a de Polignac number, because 1027065897 - 2¹⁵ = 1027033129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1027065899) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6541743 + ... + 6541899.

It is an arithmetic number, because the mean of its divisors is an integer number (13531752).

Almost surely, 2^1027065897 is an apocalyptic number.

1027065897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1027065897 is a deficient number, since it is larger than the sum of its proper divisors (921506391).

1027065897 is a wasteful number, since it uses less digits than its factorization.

1027065897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 1027065897 is about 32047.8688371005. The cubic root of 1027065897 is about 1008.9417720650.

It can be divided in two parts, 10270 and 65897, that added together give a palindrome (76167).

The spelling of 1027065897 in words is "one billion, twenty-seven million, sixty-five thousand, eight hundred ninety-seven".