125287028 has 6 divisors (see below), whose sum is σ = 219252306. Its totient is φ = 62643512.

The previous prime is 125287013. The next prime is 125287033. The reversal of 125287028 is 820782521.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 35378704 = 9482^2 + 5948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660875 + ... + 15660882.

It is an arithmetic number, because the mean of its divisors is an integer number (36542051).

Almost surely, 2^125287028 is an apocalyptic number.

It is an amenable number.

125287028 is a deficient number, since it is larger than the sum of its proper divisors (93965278).

125287028 is a wasteful number, since it uses less digits than its factorization.

125287028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31321761 (or 31321759 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 125287028 is about 11193.1688095910. The cubic root of 125287028 is about 500.3824114484.

The spelling of 125287028 in words is "one hundred twenty-five million, two hundred eighty-seven thousand, twenty-eight".