125641630 has 32 divisors (see below), whose sum is σ = 239682240. Its totient is φ = 47335680.

The previous prime is 125641619. The next prime is 125641673. The reversal of 125641630 is 36146521.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6607 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (7490070).

Almost surely, 2^125641630 is an apocalyptic number.

125641630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125641630 is a deficient number, since it is larger than the sum of its proper divisors (114040610).

125641630 is a wasteful number, since it uses less digits than its factorization.

125641630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 125641630 is about 11208.9977250421. The cubic root of 125641630 is about 500.8540470434.

The spelling of 125641630 in words is "one hundred twenty-five million, six hundred forty-one thousand, six hundred thirty".