1121342413 has 2 divisors, whose sum is σ = 1121342414. Its totient is φ = 1121342412.

The previous prime is 1121342381. The next prime is 1121342477. The reversal of 1121342413 is 3142431211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111688964 + 9653449 = 33342^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121342413 - 2⁵ = 1121342381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121343413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560671206 + 560671207.

It is an arithmetic number, because the mean of its divisors is an integer number (560671207).

Almost surely, 2^1121342413 is an apocalyptic number.

It is an amenable number.

1121342413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121342413 is an equidigital number, since it uses as much as digits as its factorization.

1121342413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1121342413 is about 33486.4511855168. The cubic root of 1121342413 is about 1038.9135637358.

Adding to 1121342413 its reverse (3142431211), we get a palindrome (4263773624).

The spelling of 1121342413 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred thirteen".