125643050 has 36 divisors (see below), whose sum is σ = 253072530. Its totient is φ = 46388160.

The previous prime is 125643013. The next prime is 125643053. The reversal of 125643050 is 50346521.

It can be written as a sum of positive squares in 9 ways, for example, as 9628609 + 116014441 = 3103^2 + 10771^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (125643053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1016 + ... + 15884.

Almost surely, 2^125643050 is an apocalyptic number.

125643050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125643050 is an abundant number, since it is smaller than the sum of its proper divisors (127429480).

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

125643050 is a wasteful number, since it uses less digits than its factorization.

125643050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14907 (or 14889 counting only the distinct ones).

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

The square root of 125643050 is about 11209.0610668334. The cubic root of 125643050 is about 500.8559339182.

Adding to 125643050 its reverse (50346521), we get a palindrome (175989571).

The spelling of 125643050 in words is "one hundred twenty-five million, six hundred forty-three thousand, fifty".