125564122 has 8 divisors (see below), whose sum is σ = 198259200. Its totient is φ = 59477724.

The previous prime is 125564111. The next prime is 125564123. The reversal of 125564122 is 221465521.

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

It is not an unprimeable number, because it can be changed into a prime (125564123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652122 + ... + 1652197.

It is an arithmetic number, because the mean of its divisors is an integer number (24782400).

Almost surely, 2^125564122 is an apocalyptic number.

125564122 is a deficient number, since it is larger than the sum of its proper divisors (72695078).

125564122 is a wasteful number, since it uses less digits than its factorization.

125564122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304340.

The product of its digits is 4800, while the sum is 28.

The square root of 125564122 is about 11205.5397906571. The cubic root of 125564122 is about 500.7510339977.

The spelling of 125564122 in words is "one hundred twenty-five million, five hundred sixty-four thousand, one hundred twenty-two".