125500105 has 8 divisors (see below), whose sum is σ = 153804672. Its totient is φ = 98263728.

The previous prime is 125500099. The next prime is 125500127. The reversal of 125500105 is 501005521.

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 125500105 - 2⁷ = 125499977 is a prime.

It is a super-2 number, since 2×125500105² = 31500552710022050, which contains 22 as substring.

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, 266787 + ... + 267256.

It is an arithmetic number, because the mean of its divisors is an integer number (19225584).

Almost surely, 2^125500105 is an apocalyptic number.

It is an amenable number.

125500105 is a deficient number, since it is larger than the sum of its proper divisors (28304567).

125500105 is an equidigital number, since it uses as much as digits as its factorization.

125500105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534095.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 125500105 is about 11202.6829375824. The cubic root of 125500105 is about 500.6659193757.

Adding to 125500105 its reverse (501005521), we get a palindrome (626505626).

The spelling of 125500105 in words is "one hundred twenty-five million, five hundred thousand, one hundred five".