125516146 has 24 divisors (see below), whose sum is σ = 219703536. Its totient is φ = 53623080.

The previous prime is 125516141. The next prime is 125516189. The reversal of 125516146 is 641615521.

It is not an unprimeable number, because it can be changed into a prime (125516141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32161 + ... + 35851.

It is an arithmetic number, because the mean of its divisors is an integer number (9154314).

Almost surely, 2^125516146 is an apocalyptic number.

125516146 is a deficient number, since it is larger than the sum of its proper divisors (94187390).

125516146 is a wasteful number, since it uses less digits than its factorization.

125516146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4047 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 125516146 is about 11203.3988592748. The cubic root of 125516146 is about 500.6872496098.

The spelling of 125516146 in words is "one hundred twenty-five million, five hundred sixteen thousand, one hundred forty-six".