103870387203721 has 8 divisors (see below), whose sum is σ = 105037801331400. Its totient is φ = 102702980434560.

The previous prime is 103870387203683. The next prime is 103870387203761. The reversal of 103870387203721 is 127302783078301.

It can be written as a sum of positive squares in 4 ways, for example, as 16723233254025 + 87147153949696 = 4089405^2 + 9335264^2 .

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 103870387203721 - 2⁷ = 103870387203593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103870387203761) 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, 29541711 + ... + 32870251.

It is an arithmetic number, because the mean of its divisors is an integer number (13129725166425).

Almost surely, 2^{103870387203721} is an apocalyptic number.

It is an amenable number.

103870387203721 is a deficient number, since it is larger than the sum of its proper divisors (1167414127679).

103870387203721 is an equidigital number, since it uses as much as digits as its factorization.

103870387203721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679259.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 103870387203721 in words is "one hundred three trillion, eight hundred seventy billion, three hundred eighty-seven million, two hundred three thousand, seven hundred twenty-one".