125749228 has 12 divisors (see below), whose sum is σ = 240066792. Its totient is φ = 57158720.

The previous prime is 125749223. The next prime is 125749229. The reversal of 125749228 is 822947521.

It is not an unprimeable number, because it can be changed into a prime (125749223) 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, 1428925 + ... + 1429012.

It is an arithmetic number, because the mean of its divisors is an integer number (20005566).

Almost surely, 2^125749228 is an apocalyptic number.

It is an amenable number.

125749228 is a deficient number, since it is larger than the sum of its proper divisors (114317564).

125749228 is a wasteful number, since it uses less digits than its factorization.

125749228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857952 (or 2857950 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 125749228 is about 11213.7963241714. The cubic root of 125749228 is about 500.9969814015.

The spelling of 125749228 in words is "one hundred twenty-five million, seven hundred forty-nine thousand, two hundred twenty-eight".