242120482277 has 2 divisors, whose sum is σ = 242120482278. Its totient is φ = 242120482276.

The previous prime is 242120482267. The next prime is 242120482319. The reversal of 242120482277 is 772284021242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213708345796 + 28412136481 = 462286^2 + 168559^2 .

It is a cyclic number.

It is not a de Polignac number, because 242120482277 - 2³² = 237825514981 is a prime.

It is a super-2 number, since 2×242120482277² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242120482217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121060241138 + 121060241139.

It is an arithmetic number, because the mean of its divisors is an integer number (121060241139).

Almost surely, 2^242120482277 is an apocalyptic number.

It is an amenable number.

242120482277 is a deficient number, since it is larger than the sum of its proper divisors (1).

242120482277 is an equidigital number, since it uses as much as digits as its factorization.

242120482277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 41.

The spelling of 242120482277 in words is "two hundred forty-two billion, one hundred twenty million, four hundred eighty-two thousand, two hundred seventy-seven".