125603450 has 24 divisors (see below), whose sum is σ = 266997792. Its totient is φ = 43063920.

The previous prime is 125603431. The next prime is 125603477. The reversal of 125603450 is 54306521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179084 + ... + 179783.

It is an arithmetic number, because the mean of its divisors is an integer number (11124908).

Almost surely, 2^125603450 is an apocalyptic number.

125603450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125603450 is an abundant number, since it is smaller than the sum of its proper divisors (141394342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125603450 is a wasteful number, since it uses less digits than its factorization.

125603450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358886 (or 358881 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 125603450 is about 11207.2944995659. The cubic root of 125603450 is about 500.8033086991.

Adding to 125603450 its reverse (54306521), we get a palindrome (179909971).

The spelling of 125603450 in words is "one hundred twenty-five million, six hundred three thousand, four hundred fifty".