121248958283 has 2 divisors, whose sum is σ = 121248958284. Its totient is φ = 121248958282.

The previous prime is 121248958279. The next prime is 121248958291. The reversal of 121248958283 is 382859842121.

It is a weak prime.

It is an emirp because it is prime and its reverse (382859842121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121248958283 - 2² = 121248958279 is a prime.

It is not a weakly prime, because it can be changed into another prime (121248958273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60624479141 + 60624479142.

It is an arithmetic number, because the mean of its divisors is an integer number (60624479142).

Almost surely, 2^121248958283 is an apocalyptic number.

121248958283 is a deficient number, since it is larger than the sum of its proper divisors (1).

121248958283 is an equidigital number, since it uses as much as digits as its factorization.

121248958283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 53.

The spelling of 121248958283 in words is "one hundred twenty-one billion, two hundred forty-eight million, nine hundred fifty-eight thousand, two hundred eighty-three".