125512445 has 16 divisors (see below), whose sum is σ = 160470720. Its totient is φ = 93913344.

The previous prime is 125512433. The next prime is 125512463. The reversal of 125512445 is 544215521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125512445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9326 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (10029420).

Almost surely, 2^125512445 is an apocalyptic number.

It is an amenable number.

125512445 is a deficient number, since it is larger than the sum of its proper divisors (34958275).

125512445 is a wasteful number, since it uses less digits than its factorization.

125512445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244.

The product of its digits is 8000, while the sum is 29.

The square root of 125512445 is about 11203.2336849679. The cubic root of 125512445 is about 500.6823284323.

Adding to 125512445 its reverse (544215521), we get a palindrome (669727966).

The spelling of 125512445 in words is "one hundred twenty-five million, five hundred twelve thousand, four hundred forty-five".