121090360949 has 2 divisors, whose sum is σ = 121090360950. Its totient is φ = 121090360948.

The previous prime is 121090360883. The next prime is 121090360997. The reversal of 121090360949 is 949063090121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90049206724 + 31041154225 = 300082^2 + 176185^2 .

It is a cyclic number.

It is not a de Polignac number, because 121090360949 - 2²⁰ = 121089312373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121090360649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60545180474 + 60545180475.

It is an arithmetic number, because the mean of its divisors is an integer number (60545180475).

Almost surely, 2^121090360949 is an apocalyptic number.

It is an amenable number.

121090360949 is a deficient number, since it is larger than the sum of its proper divisors (1).

121090360949 is an equidigital number, since it uses as much as digits as its factorization.

121090360949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 121090360949 in words is "one hundred twenty-one billion, ninety million, three hundred sixty thousand, nine hundred forty-nine".