1084126987 has 2 divisors, whose sum is σ = 1084126988. Its totient is φ = 1084126986.

The previous prime is 1084126949. The next prime is 1084126997. The reversal of 1084126987 is 7896214801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1084126987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1084126997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542063493 + 542063494.

It is an arithmetic number, because the mean of its divisors is an integer number (542063494).

Almost surely, 2^1084126987 is an apocalyptic number.

1084126987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084126987 is an equidigital number, since it uses as much as digits as its factorization.

1084126987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 1084126987 is about 32926.0836875569. The cubic root of 1084126987 is about 1027.2907677358.

The spelling of 1084126987 in words is "one billion, eighty-four million, one hundred twenty-six thousand, nine hundred eighty-seven".