103128916 has 24 divisors (see below), whose sum is σ = 202206816. Its totient is φ = 45609120.

The previous prime is 103128877. The next prime is 103128929. The reversal of 103128916 is 619821301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30046 + ... + 33301.

It is an arithmetic number, because the mean of its divisors is an integer number (8425284).

Almost surely, 2^103128916 is an apocalyptic number.

It is an amenable number.

103128916 is a deficient number, since it is larger than the sum of its proper divisors (99077900).

103128916 is a wasteful number, since it uses less digits than its factorization.

103128916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63399 (or 63397 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 103128916 is about 10155.2408144760. The cubic root of 103128916 is about 468.9502995601.

The spelling of 103128916 in words is "one hundred three million, one hundred twenty-eight thousand, nine hundred sixteen".