125404150125 has 32 divisors (see below), whose sum is σ = 211186684800. Its totient is φ = 66076387200.

The previous prime is 125404150099. The next prime is 125404150141. The reversal of 125404150125 is 521051404521.

It is not a de Polignac number, because 125404150125 - 2⁵ = 125404150093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125404150092 and 125404150101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983400 + ... + 2045649.

It is an arithmetic number, because the mean of its divisors is an integer number (6599583900).

Almost surely, 2^125404150125 is an apocalyptic number.

125404150125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125404150125 is a deficient number, since it is larger than the sum of its proper divisors (85782534675).

125404150125 is an equidigital number, since it uses as much as digits as its factorization.

125404150125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029150 (or 4029140 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 125404150125 its reverse (521051404521), we get a palindrome (646455554646).

The spelling of 125404150125 in words is "one hundred twenty-five billion, four hundred four million, one hundred fifty thousand, one hundred twenty-five".