10503128 has 8 divisors (see below), whose sum is σ = 19693380. Its totient is φ = 5251560.

The previous prime is 10503089. The next prime is 10503139. The reversal of 10503128 is 82130501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10503128² = 220631395568768, which contains 22 as substring.

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, 656438 + ... + 656453.

Almost surely, 2^10503128 is an apocalyptic number.

It is an amenable number.

10503128 is a deficient number, since it is larger than the sum of its proper divisors (9190252).

10503128 is a wasteful number, since it uses less digits than its factorization.

10503128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312897 (or 1312893 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 10503128 is about 3240.8529741412. The cubic root of 10503128 is about 218.9976994956.

Adding to 10503128 its reverse (82130501), we get a palindrome (92633629).

The spelling of 10503128 in words is "ten million, five hundred three thousand, one hundred twenty-eight".