125420104 has 16 divisors (see below), whose sum is σ = 245387520. Its totient is φ = 59983440.

The previous prime is 125420089. The next prime is 125420143. The reversal of 125420104 is 401024521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340632 + ... + 340999.

It is an arithmetic number, because the mean of its divisors is an integer number (15336720).

Almost surely, 2^125420104 is an apocalyptic number.

It is an amenable number.

125420104 is a deficient number, since it is larger than the sum of its proper divisors (119967416).

125420104 is a wasteful number, since it uses less digits than its factorization.

125420104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681660 (or 681656 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125420104 is about 11199.1117504916. Note that the first 3 decimals coincide. The cubic root of 125420104 is about 500.5595123250.

Adding to 125420104 its reverse (401024521), we get a palindrome (526444625).

The spelling of 125420104 in words is "one hundred twenty-five million, four hundred twenty thousand, one hundred four".