103507603 has 4 divisors (see below), whose sum is σ = 103629240. Its totient is φ = 103385968.

The previous prime is 103507571. The next prime is 103507639. The reversal of 103507603 is 306705301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306705301 = 7 ⋅43815043.

It is a cyclic number.

It is not a de Polignac number, because 103507603 - 2⁵ = 103507571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103507643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59533 + ... + 61246.

It is an arithmetic number, because the mean of its divisors is an integer number (25907310).

Almost surely, 2^103507603 is an apocalyptic number.

103507603 is a deficient number, since it is larger than the sum of its proper divisors (121637).

103507603 is an equidigital number, since it uses as much as digits as its factorization.

103507603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121636.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 103507603 is about 10173.8686348901. The cubic root of 103507603 is about 469.5235899885.

The spelling of 103507603 in words is "one hundred three million, five hundred seven thousand, six hundred three".