1065020397 has 8 divisors (see below), whose sum is σ = 1622888256. Its totient is φ = 608583072.

The previous prime is 1065020323. The next prime is 1065020417. The reversal of 1065020397 is 7930205601.

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

It is not a de Polignac number, because 1065020397 - 2¹⁶ = 1064954861 is a prime.

It is a super-2 number, since 2×1065020397² = 2268536892052075218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25357608 + ... + 25357649.

It is an arithmetic number, because the mean of its divisors is an integer number (202861032).

Almost surely, 2^1065020397 is an apocalyptic number.

It is an amenable number.

1065020397 is a deficient number, since it is larger than the sum of its proper divisors (557867859).

1065020397 is an equidigital number, since it uses as much as digits as its factorization.

1065020397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715267.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1065020397 is about 32634.6502509219. The cubic root of 1065020397 is about 1021.2199925464.

Adding to 1065020397 its reverse (7930205601), we get a palindrome (8995225998).

The spelling of 1065020397 in words is "one billion, sixty-five million, twenty thousand, three hundred ninety-seven".