102669120025 has 6 divisors (see below), whose sum is σ = 127309708862. Its totient is φ = 82135296000.

The previous prime is 102669120011. The next prime is 102669120049. The reversal of 102669120025 is 520021966201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 489161689 + 102179958336 = 22117^2 + 319656^2 .

It is not a de Polignac number, because 102669120025 - 2⁷ = 102669119897 is a prime.

It is a super-4 number, since 4×102669120025⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2053382376 + ... + 2053382425.

Almost surely, 2^102669120025 is an apocalyptic number.

It is an amenable number.

102669120025 is a deficient number, since it is larger than the sum of its proper divisors (24640588837).

102669120025 is an equidigital number, since it uses as much as digits as its factorization.

102669120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106764811 (or 4106764806 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 102669120025 in words is "one hundred two billion, six hundred sixty-nine million, one hundred twenty thousand, twenty-five".