125630105 has 8 divisors (see below), whose sum is σ = 151404552. Its totient is φ = 100071808.

The previous prime is 125630083. The next prime is 125630129. The reversal of 125630105 is 501036521.

It can be written as a sum of positive squares in 4 ways, for example, as 100489 + 125529616 = 317^2 + 11204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125630105 - 2⁸ = 125629849 is a prime.

It is a super-2 number, since 2×125630105² = 31565846564622050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 52754 + ... + 55083.

It is an arithmetic number, because the mean of its divisors is an integer number (18925569).

Almost surely, 2^125630105 is an apocalyptic number.

It is an amenable number.

125630105 is a deficient number, since it is larger than the sum of its proper divisors (25774447).

125630105 is a wasteful number, since it uses less digits than its factorization.

125630105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108075.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 125630105 is about 11208.4836173320. The cubic root of 125630105 is about 500.8387322697.

Adding to 125630105 its reverse (501036521), we get a palindrome (626666626).

The spelling of 125630105 in words is "one hundred twenty-five million, six hundred thirty thousand, one hundred five".