125646522 has 8 divisors (see below), whose sum is σ = 251293056. Its totient is φ = 41882172.

The previous prime is 125646481. The next prime is 125646523. The reversal of 125646522 is 225646521.

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

125646522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (125646523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10470538 + ... + 10470549.

It is an arithmetic number, because the mean of its divisors is an integer number (31411632).

Almost surely, 2^125646522 is an apocalyptic number.

125646522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125646522 is a wasteful number, since it uses less digits than its factorization.

125646522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20941092.

The product of its digits is 28800, while the sum is 33.

The square root of 125646522 is about 11209.2159404661. The cubic root of 125646522 is about 500.8605474000.

Subtracting 125646522 from its reverse (225646521), we obtain a palindrome (99999999).

The spelling of 125646522 in words is "one hundred twenty-five million, six hundred forty-six thousand, five hundred twenty-two".