125442825 has 48 divisors (see below), whose sum is σ = 214944576. Its totient is φ = 64512000.

The previous prime is 125442803. The next prime is 125442899. The reversal of 125442825 is 528244521.

It is not a de Polignac number, because 125442825 - 2⁶ = 125442761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312625 + ... + 313025.

It is an arithmetic number, because the mean of its divisors is an integer number (4478012).

Almost surely, 2^125442825 is an apocalyptic number.

125442825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125442825 is a deficient number, since it is larger than the sum of its proper divisors (89501751).

125442825 is a wasteful number, since it uses less digits than its factorization.

125442825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 125442825 is about 11200.1261153614. The cubic root of 125442825 is about 500.5897374793.

The spelling of 125442825 in words is "one hundred twenty-five million, four hundred forty-two thousand, eight hundred twenty-five".