704121 has 16 divisors (see below), whose sum is σ = 1079040. Its totient is φ = 403920.

The previous prime is 704117. The next prime is 704131. The reversal of 704121 is 121407.

It is not a de Polignac number, because 704121 - 2² = 704117 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 704121.

It is not an unprimeable number, because it can be changed into a prime (704101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (67440).

2⁷⁰⁴¹²¹ is an apocalyptic number.

It is an amenable number.

704121 is a deficient number, since it is larger than the sum of its proper divisors (374919).

704121 is a wasteful number, since it uses less digits than its factorization.

704121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 704121 is about 839.1191810464. The cubic root of 704121 is about 88.9642999518.

Adding to 704121 its reverse (121407), we get a palindrome (825528).

It can be divided in two parts, 704 and 121, that multiplied together give a cube (85184 = 44³).

The spelling of 704121 in words is "seven hundred four thousand, one hundred twenty-one", and thus it is an iban number.