1112120987 has 2 divisors, whose sum is σ = 1112120988. Its totient is φ = 1112120986.

The previous prime is 1112120981. The next prime is 1112121071. The reversal of 1112120987 is 7890212111.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890212111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112120987 - 2⁸ = 1112120731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112120981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060493 + 556060494.

It is an arithmetic number, because the mean of its divisors is an integer number (556060494).

Almost surely, 2^1112120987 is an apocalyptic number.

1112120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112120987 is an equidigital number, since it uses as much as digits as its factorization.

1112120987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 1112120987 is about 33348.4780312385. The cubic root of 1112120987 is about 1036.0578655509.

The spelling of 1112120987 in words is "one billion, one hundred twelve million, one hundred twenty thousand, nine hundred eighty-seven".