103128821359 has 8 divisors (see below), whose sum is σ = 103366751040. Its totient is φ = 102891031200.

The previous prime is 103128821333. The next prime is 103128821399. The reversal of 103128821359 is 953128821301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103128821359 - 2¹³ = 103128813167 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 (103128821329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524954 + ... + 1591144.

It is an arithmetic number, because the mean of its divisors is an integer number (12920843880).

Almost surely, 2^103128821359 is an apocalyptic number.

103128821359 is a deficient number, since it is larger than the sum of its proper divisors (237929681).

103128821359 is an equidigital number, since it uses as much as digits as its factorization.

103128821359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69761.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 103128821359 in words is "one hundred three billion, one hundred twenty-eight million, eight hundred twenty-one thousand, three hundred fifty-nine".