121282980743 has 4 divisors (see below), whose sum is σ = 121317371280. Its totient is φ = 121248590208.

The previous prime is 121282980733. The next prime is 121282980751. The reversal of 121282980743 is 347089282121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347089282121 = 47 ⋅7384878343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121282980743 is a prime.

It is a super-2 number, since 2×121282980743² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121282980713) 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, 17189978 + ... + 17197031.

It is an arithmetic number, because the mean of its divisors is an integer number (30329342820).

Almost surely, 2^121282980743 is an apocalyptic number.

121282980743 is a deficient number, since it is larger than the sum of its proper divisors (34390537).

121282980743 is an equidigital number, since it uses as much as digits as its factorization.

121282980743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34390536.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 121282980743 in words is "one hundred twenty-one billion, two hundred eighty-two million, nine hundred eighty thousand, seven hundred forty-three".