125422101 has 20 divisors (see below), whose sum is σ = 214125472. Its totient is φ = 71669448.

The previous prime is 125422079. The next prime is 125422117. The reversal of 125422101 is 101224521.

It is not a de Polignac number, because 125422101 - 2⁵ = 125422069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125422601) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110035 + ... + 111168.

Almost surely, 2^125422101 is an apocalyptic number.

It is an amenable number.

125422101 is a deficient number, since it is larger than the sum of its proper divisors (88703371).

125422101 is an equidigital number, since it uses as much as digits as its factorization.

125422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221222 (or 221213 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 125422101 is about 11199.2009089935. The cubic root of 125422101 is about 500.5621690284.

Adding to 125422101 its reverse (101224521), we get a palindrome (226646622).

The spelling of 125422101 in words is "one hundred twenty-five million, four hundred twenty-two thousand, one hundred one".