102123140215 has 8 divisors (see below), whose sum is σ = 122549588640. Its totient is φ = 81697298592.

The previous prime is 102123140209. The next prime is 102123140219. The reversal of 102123140215 is 512041321201.

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

It is a cyclic number.

It is not a de Polignac number, because 102123140215 - 2⁷ = 102123140087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123140219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402862 + ... + 605428.

It is an arithmetic number, because the mean of its divisors is an integer number (15318698580).

Almost surely, 2^102123140215 is an apocalyptic number.

102123140215 is a deficient number, since it is larger than the sum of its proper divisors (20426448425).

102123140215 is a wasteful number, since it uses less digits than its factorization.

102123140215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303401.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 102123140215 its reverse (512041321201), we get a palindrome (614164461416).

The spelling of 102123140215 in words is "one hundred two billion, one hundred twenty-three million, one hundred forty thousand, two hundred fifteen".