103509712 has 10 divisors (see below), whose sum is σ = 200550098. Its totient is φ = 51754848.

The previous prime is 103509709. The next prime is 103509733. The reversal of 103509712 is 217905301.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 9884736 = 9676^2 + 3144^2 .

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, 3234663 + ... + 3234694.

Almost surely, 2^103509712 is an apocalyptic number.

It is an amenable number.

103509712 is a deficient number, since it is larger than the sum of its proper divisors (97040386).

103509712 is an equidigital number, since it uses as much as digits as its factorization.

103509712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469365 (or 6469359 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 103509712 is about 10173.9722822504. The cubic root of 103509712 is about 469.5267788638.

The spelling of 103509712 in words is "one hundred three million, five hundred nine thousand, seven hundred twelve".