1121311027 has 2 divisors, whose sum is σ = 1121311028. Its totient is φ = 1121311026.

The previous prime is 1121311021. The next prime is 1121311033. The reversal of 1121311027 is 7201131211.

It is a balanced prime because it is at equal distance from previous prime (1121311021) and next prime (1121311033).

It is a cyclic number.

It is not a de Polignac number, because 1121311027 - 2⁷ = 1121310899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121310995 and 1121311013.

It is not a weakly prime, because it can be changed into another prime (1121311021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560655513 + 560655514.

It is an arithmetic number, because the mean of its divisors is an integer number (560655514).

Almost surely, 2^1121311027 is an apocalyptic number.

1121311027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121311027 is an equidigital number, since it uses as much as digits as its factorization.

1121311027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 1121311027 is about 33485.9825449396. The cubic root of 1121311027 is about 1038.9038706973.

Adding to 1121311027 its reverse (7201131211), we get a palindrome (8322442238).

The spelling of 1121311027 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, twenty-seven".