701128109 has 8 divisors (see below), whose sum is σ = 766232352. Its totient is φ = 636251440.

The previous prime is 701128091. The next prime is 701128111. The reversal of 701128109 is 901821107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-701128109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701128189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50414 + ... + 62799.

It is an arithmetic number, because the mean of its divisors is an integer number (95779044).

Almost surely, 2^701128109 is an apocalyptic number.

It is an amenable number.

701128109 is a deficient number, since it is larger than the sum of its proper divisors (65104243).

701128109 is a wasteful number, since it uses less digits than its factorization.

701128109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113787.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 701128109 is about 26478.8237842998. The cubic root of 701128109 is about 888.3807231208.

The spelling of 701128109 in words is "seven hundred one million, one hundred twenty-eight thousand, one hundred nine".