702121 has 16 divisors (see below), whose sum is σ = 864000. Its totient is φ = 569184.

The previous prime is 702113. The next prime is 702127. The reversal of 702121 is 121207.

It is not a de Polignac number, because 702121 - 2³ = 702113 is a prime.

It is a Duffinian number.

702121 is a modest number, since divided by 2121 gives 70 as remainder.

It is not an unprimeable number, because it can be changed into a prime (702127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7845 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁷⁰²¹²¹ is an apocalyptic number.

It is an amenable number.

702121 is a deficient number, since it is larger than the sum of its proper divisors (161879).

702121 is an equidigital number, since it uses as much as digits as its factorization.

702121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 702121 is about 837.9266077647. The cubic root of 702121 is about 88.8799880555.

Adding to 702121 its reverse (121207), we get a palindrome (823328).

The spelling of 702121 in words is "seven hundred two thousand, one hundred twenty-one", and thus it is an iban number.