103179121645 has 8 divisors (see below), whose sum is σ = 125091389304. Its totient is φ = 81692335104.

The previous prime is 103179121637. The next prime is 103179121657. The reversal of 103179121645 is 546121971301.

It can be written as a sum of positive squares in 4 ways, for example, as 13705150761 + 89473970884 = 117069^2 + 299122^2 .

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 103179121645 - 2³ = 103179121637 is a prime.

It is a super-3 number, since 3×103179121645³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103179121598 and 103179121607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106369744 + ... + 106370713.

It is an arithmetic number, because the mean of its divisors is an integer number (15636423663).

Almost surely, 2^103179121645 is an apocalyptic number.

It is an amenable number.

103179121645 is a deficient number, since it is larger than the sum of its proper divisors (21912267659).

103179121645 is an equidigital number, since it uses as much as digits as its factorization.

103179121645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212740559.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 103179121645 in words is "one hundred three billion, one hundred seventy-nine million, one hundred twenty-one thousand, six hundred forty-five".