125003243225 has 24 divisors (see below), whose sum is σ = 177165767808. Its totient is φ = 85707648000.

The previous prime is 125003243207. The next prime is 125003243251. The reversal of 125003243225 is 522342300521.

It is not a de Polignac number, because 125003243225 - 2¹⁰ = 125003242201 is a prime.

It is a Duffinian 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, 1972025 + ... + 2034425.

It is an arithmetic number, because the mean of its divisors is an integer number (7381906992).

Almost surely, 2^125003243225 is an apocalyptic number.

It is an amenable number.

125003243225 is a deficient number, since it is larger than the sum of its proper divisors (52162524583).

125003243225 is a wasteful number, since it uses less digits than its factorization.

125003243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73865 (or 73860 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 125003243225 its reverse (522342300521), we get a palindrome (647345543746).

The spelling of 125003243225 in words is "one hundred twenty-five billion, three million, two hundred forty-three thousand, two hundred twenty-five".