102697065 has 20 divisors (see below), whose sum is σ = 184094724. Its totient is φ = 54771552.

The previous prime is 102697061. The next prime is 102697073. The reversal of 102697065 is 560796201.

It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 59768361 = 6552^2 + 7731^2 .

It is not a de Polignac number, because 102697065 - 2² = 102697061 is a prime.

It is a super-2 number, since 2×102697065² = 21093374319228450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102697061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126382 + ... + 127191.

Almost surely, 2^102697065 is an apocalyptic number.

102697065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102697065 is a deficient number, since it is larger than the sum of its proper divisors (81397659).

102697065 is an equidigital number, since it uses as much as digits as its factorization.

102697065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253590 (or 253581 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 102697065 is about 10133.9560389810. The cubic root of 102697065 is about 468.2948093195.

The spelling of 102697065 in words is "one hundred two million, six hundred ninety-seven thousand, sixty-five".