61125228 has 36 divisors (see below), whose sum is σ = 154755328. Its totient is φ = 20342880.

The previous prime is 61125209. The next prime is 61125241. The reversal of 61125228 is 82252116.

It is a happy number.

61125228 is a `hidden beast` number, since 611 + 25 + 2 + 28 = 666.

61125228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35925 + ... + 37587.

Almost surely, 2^61125228 is an apocalyptic number.

It is an amenable number.

61125228 is an abundant number, since it is smaller than the sum of its proper divisors (93630100).

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

61125228 is a wasteful number, since it uses less digits than its factorization.

61125228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2689 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 61125228 is about 7818.2624668145. The cubic root of 61125228 is about 393.9189110524.

The spelling of 61125228 in words is "sixty-one million, one hundred twenty-five thousand, two hundred twenty-eight".