121765706704 has 20 divisors (see below), whose sum is σ = 235995601540. Its totient is φ = 60863616000.

The previous prime is 121765706701. The next prime is 121765706707. The reversal of 121765706704 is 407607567121.

It is an interprime number because it is at equal distance from previous prime (121765706701) and next prime (121765706707).

It can be written as a sum of positive squares in 2 ways, for example, as 100902793104 + 20862913600 = 317652^2 + 144440^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121765706701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150047 + ... + 1251454.

It is an arithmetic number, because the mean of its divisors is an integer number (11799780077).

Almost surely, 2^121765706704 is an apocalyptic number.

It is an amenable number.

121765706704 is a deficient number, since it is larger than the sum of its proper divisors (114229894836).

121765706704 is a wasteful number, since it uses less digits than its factorization.

121765706704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404678 (or 2404672 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 121765706704 in words is "one hundred twenty-one billion, seven hundred sixty-five million, seven hundred six thousand, seven hundred four".