125521068 has 24 divisors (see below), whose sum is σ = 308297920. Its totient is φ = 39638160.

The previous prime is 125521063. The next prime is 125521069. The reversal of 125521068 is 860125521.

It is not an unprimeable number, because it can be changed into a prime (125521063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275038 + ... + 275493.

Almost surely, 2^125521068 is an apocalyptic number.

It is an amenable number.

125521068 is an abundant number, since it is smaller than the sum of its proper divisors (182776852).

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

125521068 is a wasteful number, since it uses less digits than its factorization.

125521068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550557 (or 550555 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 125521068 is about 11203.6185226024. The cubic root of 125521068 is about 500.6937941873.

Adding to 125521068 its reverse (860125521), we get a palindrome (985646589).

The spelling of 125521068 in words is "one hundred twenty-five million, five hundred twenty-one thousand, sixty-eight".