125105023425 has 48 divisors (see below), whose sum is σ = 226559427840. Its totient is φ = 60632355840.

The previous prime is 125105023411. The next prime is 125105023429. The reversal of 125105023425 is 524320501521.

It is not a de Polignac number, because 125105023425 - 2⁴ = 125105023409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125105023392 and 125105023401.

It is not an unprimeable number, because it can be changed into a prime (125105023429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1654777 + ... + 1728726.

It is an arithmetic number, because the mean of its divisors is an integer number (4719988080).

Almost surely, 2^125105023425 is an apocalyptic number.

125105023425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125105023425 is a deficient number, since it is larger than the sum of its proper divisors (101454404415).

125105023425 is a wasteful number, since it uses less digits than its factorization.

125105023425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383562 (or 3383557 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 125105023425 its reverse (524320501521), we get a palindrome (649425524946).

The spelling of 125105023425 in words is "one hundred twenty-five billion, one hundred five million, twenty-three thousand, four hundred twenty-five".