125477648 has 20 divisors (see below), whose sum is σ = 245622300. Its totient is φ = 62091264.

The previous prime is 125477647. The next prime is 125477669. The reversal of 125477648 is 846774521.

It can be written as a sum of positive squares in 2 ways, for example, as 66064384 + 59413264 = 8128^2 + 7708^2 .

It is a super-2 number, since 2×125477648² = 31489280295223808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125477599 and 125477608.

It is not an unprimeable number, because it can be changed into a prime (125477647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38873 + ... + 41976.

It is an arithmetic number, because the mean of its divisors is an integer number (12281115).

Almost surely, 2^125477648 is an apocalyptic number.

It is an amenable number.

125477648 is a deficient number, since it is larger than the sum of its proper divisors (120144652).

125477648 is an equidigital number, since it uses as much as digits as its factorization.

125477648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80954 (or 80948 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 125477648 is about 11201.6805881975. The cubic root of 125477648 is about 500.6360545262.

The spelling of 125477648 in words is "one hundred twenty-five million, four hundred seventy-seven thousand, six hundred forty-eight".