121735370245 has 8 divisors (see below), whose sum is σ = 146084839416. Its totient is φ = 97386699456.

The previous prime is 121735370233. The next prime is 121735370279. The reversal of 121735370245 is 542073537121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1331228196 + 120404142049 = 36486^2 + 346993^2 .

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 121735370245 - 2⁵ = 121735370213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121735370198 and 121735370207.

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, 213639 + ... + 537691.

It is an arithmetic number, because the mean of its divisors is an integer number (18260604927).

Almost surely, 2^121735370245 is an apocalyptic number.

It is an amenable number.

121735370245 is a deficient number, since it is larger than the sum of its proper divisors (24349469171).

121735370245 is an equidigital number, since it uses as much as digits as its factorization.

121735370245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399191.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 121735370245 in words is "one hundred twenty-one billion, seven hundred thirty-five million, three hundred seventy thousand, two hundred forty-five".