103303128 has 32 divisors (see below), whose sum is σ = 261374400. Its totient is φ = 34018848.

The previous prime is 103303127. The next prime is 103303153. The reversal of 103303128 is 821303301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23938 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (8167950).

Almost surely, 2^103303128 is an apocalyptic number.

It is an amenable number.

103303128 is an abundant number, since it is smaller than the sum of its proper divisors (158071272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103303128 is a wasteful number, since it uses less digits than its factorization.

103303128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51951 (or 51947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 103303128 is about 10163.8146382153. The cubic root of 103303128 is about 469.2142113494.

Adding to 103303128 its reverse (821303301), we get a palindrome (924606429).

The spelling of 103303128 in words is "one hundred three million, three hundred three thousand, one hundred twenty-eight".