103520128 has 16 divisors (see below), whose sum is σ = 206231760. Its totient is φ = 51760000.

The previous prime is 103520107. The next prime is 103520149. The reversal of 103520128 is 821025301.

It is an interprime number because it is at equal distance from previous prime (103520107) and next prime (103520149).

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×103520128² = 21432833802272768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103520099 and 103520108.

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, 404248 + ... + 404503.

It is an arithmetic number, because the mean of its divisors is an integer number (12889485).

Almost surely, 2^103520128 is an apocalyptic number.

It is an amenable number.

103520128 is a deficient number, since it is larger than the sum of its proper divisors (102711632).

103520128 is an frugal number, since it uses more digits than its factorization.

103520128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808765 (or 808753 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 103520128 is about 10174.4841638287. The cubic root of 103520128 is about 469.5425275532.

Adding to 103520128 its reverse (821025301), we get a palindrome (924545429).

The spelling of 103520128 in words is "one hundred three million, five hundred twenty thousand, one hundred twenty-eight".