102125252485 has 16 divisors (see below), whose sum is σ = 124178630400. Its totient is φ = 80615935296.

The previous prime is 102125252479. The next prime is 102125252503. The reversal of 102125252485 is 584252521201.

It is a cyclic number.

It is not a de Polignac number, because 102125252485 - 2³ = 102125252477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563211 + ... + 722119.

It is an arithmetic number, because the mean of its divisors is an integer number (7761164400).

Almost surely, 2^102125252485 is an apocalyptic number.

It is an amenable number.

102125252485 is a deficient number, since it is larger than the sum of its proper divisors (22053377915).

102125252485 is a wasteful number, since it uses less digits than its factorization.

102125252485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160620.

The product of its (nonzero) digits is 64000, while the sum is 37.

Adding to 102125252485 its reverse (584252521201), we get a palindrome (686377773686).

The spelling of 102125252485 in words is "one hundred two billion, one hundred twenty-five million, two hundred fifty-two thousand, four hundred eighty-five".