125630420 has 24 divisors (see below), whose sum is σ = 264413184. Its totient is φ = 50139936.

The previous prime is 125630399. The next prime is 125630431. The reversal of 125630420 is 24036521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2477 + ... + 16043.

It is an arithmetic number, because the mean of its divisors is an integer number (11017216).

Almost surely, 2^125630420 is an apocalyptic number.

125630420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125630420 is an abundant number, since it is smaller than the sum of its proper divisors (138782764).

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

125630420 is a wasteful number, since it uses less digits than its factorization.

125630420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039 (or 14037 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 125630420 is about 11208.4976691794. The cubic root of 125630420 is about 500.8391508638.

Adding to 125630420 its reverse (24036521), we get a palindrome (149666941).

The spelling of 125630420 in words is "one hundred twenty-five million, six hundred thirty thousand, four hundred twenty".