701128 has 8 divisors (see below), whose sum is σ = 1314630. Its totient is φ = 350560.

The previous prime is 701117. The next prime is 701147. The reversal of 701128 is 821107.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 338724 = 602^2 + 582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43813 + ... + 43828.

2⁷⁰¹¹²⁸ is an apocalyptic number.

It is an amenable number.

701128 is a deficient number, since it is larger than the sum of its proper divisors (613502).

701128 is a wasteful number, since it uses less digits than its factorization.

701128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87647 (or 87643 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 701128 is about 837.3338641187. Note that the first 3 decimals coincide. The cubic root of 701128 is about 88.8380677084.

The spelling of 701128 in words is "seven hundred one thousand, one hundred twenty-eight".