703121 has 2 divisors, whose sum is σ = 703122. Its totient is φ = 703120.

The previous prime is 703117. The next prime is 703123. The reversal of 703121 is 121307.

703121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 4225 = 836^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 703121 - 2² = 703117 is a prime.

Together with 703123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 703096 and 703105.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 703121.

It is not a weakly prime, because it can be changed into another prime (703123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351560 + 351561.

It is an arithmetic number, because the mean of its divisors is an integer number (351561).

2⁷⁰³¹²¹ is an apocalyptic number.

It is an amenable number.

703121 is a deficient number, since it is larger than the sum of its proper divisors (1).

703121 is an equidigital number, since it uses as much as digits as its factorization.

703121 is an evil number, because the sum of its binary digits is even.

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

The square root of 703121 is about 838.5231064199. The cubic root of 703121 is about 88.9221639888.

Adding to 703121 its reverse (121307), we get a palindrome (824428).

The spelling of 703121 in words is "seven hundred three thousand, one hundred twenty-one", and thus it is an iban number.