125920450 has 24 divisors (see below), whose sum is σ = 241770240. Its totient is φ = 48742800.

The previous prime is 125920447. The next prime is 125920451. The reversal of 125920450 is 54029521.

It is not an unprimeable number, because it can be changed into a prime (125920451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39070 + ... + 42169.

It is an arithmetic number, because the mean of its divisors is an integer number (10073760).

Almost surely, 2^125920450 is an apocalyptic number.

125920450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125920450 is a deficient number, since it is larger than the sum of its proper divisors (115849790).

125920450 is a wasteful number, since it uses less digits than its factorization.

125920450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81282 (or 81277 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 125920450 is about 11221.4281622261. The cubic root of 125920450 is about 501.2242665628.

Adding to 125920450 its reverse (54029521), we get a palindrome (179949971).

The spelling of 125920450 in words is "one hundred twenty-five million, nine hundred twenty thousand, four hundred fifty".