125122126 has 8 divisors (see below), whose sum is σ = 190864440. Its totient is φ = 61500648.

The previous prime is 125122117. The next prime is 125122147. The reversal of 125122126 is 621221521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125122097 and 125122106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530061 + ... + 530296.

It is an arithmetic number, because the mean of its divisors is an integer number (23858055).

Almost surely, 2^125122126 is an apocalyptic number.

125122126 is a deficient number, since it is larger than the sum of its proper divisors (65742314).

125122126 is a wasteful number, since it uses less digits than its factorization.

125122126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060418.

The product of its digits is 480, while the sum is 22.

The square root of 125122126 is about 11185.8001948899. The cubic root of 125122126 is about 500.1627816652.

Adding to 125122126 its reverse (621221521), we get a palindrome (746343647).

The spelling of 125122126 in words is "one hundred twenty-five million, one hundred twenty-two thousand, one hundred twenty-six".