1121464439149 has 2 divisors, whose sum is σ = 1121464439150. Its totient is φ = 1121464439148.

The previous prime is 1121464439027. The next prime is 1121464439201. The reversal of 1121464439149 is 9419344641211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119696236649 + 1768202500 = 1058157^2 + 42050^2 .

It is an emirp because it is prime and its reverse (9419344641211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121464439149 - 2¹¹ = 1121464437101 is a prime.

It is a super-2 number, since 2×1121464439149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121464439549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560732219574 + 560732219575.

It is an arithmetic number, because the mean of its divisors is an integer number (560732219575).

Almost surely, 2^{1121464439149} is an apocalyptic number.

It is an amenable number.

1121464439149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121464439149 is an equidigital number, since it uses as much as digits as its factorization.

1121464439149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The spelling of 1121464439149 in words is "one trillion, one hundred twenty-one billion, four hundred sixty-four million, four hundred thirty-nine thousand, one hundred forty-nine".