126630125 has 8 divisors (see below), whose sum is σ = 158034552. Its totient is φ = 101304000.

The previous prime is 126630103. The next prime is 126630137. The reversal of 126630125 is 521036621.

It can be written as a sum of positive squares in 4 ways, for example, as 157609 + 126472516 = 397^2 + 11246^2 .

It is not a de Polignac number, because 126630125 - 2⁶ = 126630061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126630094 and 126630103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506396 + ... + 506645.

It is an arithmetic number, because the mean of its divisors is an integer number (19754319).

Almost surely, 2^126630125 is an apocalyptic number.

It is an amenable number.

126630125 is a deficient number, since it is larger than the sum of its proper divisors (31404427).

126630125 is an equidigital number, since it uses as much as digits as its factorization.

126630125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013056 (or 1013046 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126630125 is about 11253.0051541799. The cubic root of 126630125 is about 502.1641196583.

Adding to 126630125 its reverse (521036621), we get a palindrome (647666746).

The spelling of 126630125 in words is "one hundred twenty-six million, six hundred thirty thousand, one hundred twenty-five".