1121081235247 has 2 divisors, whose sum is σ = 1121081235248. Its totient is φ = 1121081235246.

The previous prime is 1121081235163. The next prime is 1121081235341. The reversal of 1121081235247 is 7425321801211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121081235247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121088235247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560540617623 + 560540617624.

It is an arithmetic number, because the mean of its divisors is an integer number (560540617624).

Almost surely, 2^{1121081235247} is an apocalyptic number.

1121081235247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121081235247 is an equidigital number, since it uses as much as digits as its factorization.

1121081235247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 1121081235247 in words is "one trillion, one hundred twenty-one billion, eighty-one million, two hundred thirty-five thousand, two hundred forty-seven".