1121110087 has 2 divisors, whose sum is σ = 1121110088. Its totient is φ = 1121110086.

The previous prime is 1121110079. The next prime is 1121110103. The reversal of 1121110087 is 7800111211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121110087 - 2³ = 1121110079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121110057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555043 + 560555044.

It is an arithmetic number, because the mean of its divisors is an integer number (560555044).

Almost surely, 2^1121110087 is an apocalyptic number.

1121110087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121110087 is an equidigital number, since it uses as much as digits as its factorization.

1121110087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

The square root of 1121110087 is about 33482.9820505880. The cubic root of 1121110087 is about 1038.8418094702.

Adding to 1121110087 its reverse (7800111211), we get a palindrome (8921221298).

The spelling of 1121110087 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, eighty-seven".