121703 has 4 divisors (see below), whose sum is σ = 128880. Its totient is φ = 114528.

The previous prime is 121697. The next prime is 121711. The reversal of 121703 is 307121.

121703 = T₄₂ + T₄₃ + ... + T₉₂.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121703 - 2⁴ = 121687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121703.

It is not an unprimeable number, because it can be changed into a prime (121763) 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, 3563 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (32220).

2¹²¹⁷⁰³ is an apocalyptic number.

121703 is a deficient number, since it is larger than the sum of its proper divisors (7177).

121703 is an equidigital number, since it uses as much as digits as its factorization.

121703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 121703 is about 348.8595706011. The cubic root of 121703 is about 49.5564773867.

Adding to 121703 its reverse (307121), we get a palindrome (428824).

The spelling of 121703 in words is "one hundred twenty-one thousand, seven hundred three", and thus it is an iban number.