125635250 has 128 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 42336000.

The previous prime is 125635229. The next prime is 125635259. The reversal of 125635250 is 52536521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125635259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2921729 + ... + 2921771.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^125635250 is an apocalyptic number.

125635250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125635250 is an abundant number, since it is smaller than the sum of its proper divisors (151121230).

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

125635250 is a wasteful number, since it uses less digits than its factorization.

125635250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 125635250 is about 11208.7131286335. The cubic root of 125635250 is about 500.8455692193.

The spelling of 125635250 in words is "one hundred twenty-five million, six hundred thirty-five thousand, two hundred fifty".