1105136987 has 2 divisors, whose sum is σ = 1105136988. Its totient is φ = 1105136986.

The previous prime is 1105136983. The next prime is 1105137041. The reversal of 1105136987 is 7896315011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105136987 - 2² = 1105136983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105136983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552568493 + 552568494.

It is an arithmetic number, because the mean of its divisors is an integer number (552568494).

Almost surely, 2^1105136987 is an apocalyptic number.

1105136987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105136987 is an equidigital number, since it uses as much as digits as its factorization.

1105136987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1105136987 is about 33243.6006924641. The cubic root of 1105136987 is about 1033.8845324859.

The spelling of 1105136987 in words is "one billion, one hundred five million, one hundred thirty-six thousand, nine hundred eighty-seven".