121334435249 has 2 divisors, whose sum is σ = 121334435250. Its totient is φ = 121334435248.

The previous prime is 121334435237. The next prime is 121334435269. The reversal of 121334435249 is 942534433121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116832025249 + 4502410000 = 341807^2 + 67100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121334435249 is a prime.

It is not a weakly prime, because it can be changed into another prime (121334435269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667217624 + 60667217625.

It is an arithmetic number, because the mean of its divisors is an integer number (60667217625).

Almost surely, 2^121334435249 is an apocalyptic number.

It is an amenable number.

121334435249 is a deficient number, since it is larger than the sum of its proper divisors (1).

121334435249 is an equidigital number, since it uses as much as digits as its factorization.

121334435249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The spelling of 121334435249 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred thirty-five thousand, two hundred forty-nine".