102860245409 has 16 divisors (see below), whose sum is σ = 107685072000. Its totient is φ = 98065140096.

The previous prime is 102860245399. The next prime is 102860245427. The reversal of 102860245409 is 904542068201.

It is a cyclic number.

It is not a de Polignac number, because 102860245409 - 2⁸ = 102860245153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102860245459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22122917 + ... + 22127565.

It is an arithmetic number, because the mean of its divisors is an integer number (6730317000).

Almost surely, 2^102860245409 is an apocalyptic number.

It is an amenable number.

102860245409 is a deficient number, since it is larger than the sum of its proper divisors (4824826591).

102860245409 is a wasteful number, since it uses less digits than its factorization.

102860245409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 102860245409 in words is "one hundred two billion, eight hundred sixty million, two hundred forty-five thousand, four hundred nine".