123005100525 has 24 divisors (see below), whose sum is σ = 203682838464. Its totient is φ = 65501299200.

The previous prime is 123005100497. The next prime is 123005100551. The reversal of 123005100525 is 525001500321.

It is a happy number.

It is not a de Polignac number, because 123005100525 - 2¹² = 123005096429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123005100495 and 123005100504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218916 + ... + 1315965.

It is an arithmetic number, because the mean of its divisors is an integer number (8486784936).

Almost surely, 2^123005100525 is an apocalyptic number.

123005100525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123005100525 is a deficient number, since it is larger than the sum of its proper divisors (80677737939).

123005100525 is a wasteful number, since it uses less digits than its factorization.

123005100525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535541 (or 2535536 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 123005100525 its reverse (525001500321), we get a palindrome (648006600846).

The spelling of 123005100525 in words is "one hundred twenty-three billion, five million, one hundred thousand, five hundred twenty-five".