102665119 has 2 divisors, whose sum is σ = 102665120. Its totient is φ = 102665118.

The previous prime is 102665117. The next prime is 102665137. The reversal of 102665119 is 911566201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102665119 - 2¹ = 102665117 is a prime.

It is a super-2 number, since 2×102665119² = 21080253318568322, which contains 22 as substring.

Together with 102665117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102665111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51332559 + 51332560.

It is an arithmetic number, because the mean of its divisors is an integer number (51332560).

Almost surely, 2^102665119 is an apocalyptic number.

102665119 is a deficient number, since it is larger than the sum of its proper divisors (1).

102665119 is an equidigital number, since it uses as much as digits as its factorization.

102665119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 102665119 is about 10132.3797303496. The cubic root of 102665119 is about 468.2462467584.

The spelling of 102665119 in words is "one hundred two million, six hundred sixty-five thousand, one hundred nineteen".