1121342071 has 2 divisors, whose sum is σ = 1121342072. Its totient is φ = 1121342070.

The previous prime is 1121342059. The next prime is 1121342107. The reversal of 1121342071 is 1702431211.

It is a happy number.

Together with next prime (1121342107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121342071 - 2²⁷ = 987124343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121342011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560671035 + 560671036.

It is an arithmetic number, because the mean of its divisors is an integer number (560671036).

Almost surely, 2^1121342071 is an apocalyptic number.

1121342071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121342071 is an equidigital number, since it uses as much as digits as its factorization.

1121342071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1121342071 is about 33486.4460789735. The cubic root of 1121342071 is about 1038.9134581158.

Adding to 1121342071 its reverse (1702431211), we get a palindrome (2823773282).

The spelling of 1121342071 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, seventy-one".