1103212987 has 2 divisors, whose sum is σ = 1103212988. Its totient is φ = 1103212986.

The previous prime is 1103212969. The next prime is 1103212991. The reversal of 1103212987 is 7892123011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103212987 - 2¹⁵ = 1103180219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103212937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551606493 + 551606494.

It is an arithmetic number, because the mean of its divisors is an integer number (551606494).

Almost surely, 2^1103212987 is an apocalyptic number.

1103212987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103212987 is an equidigital number, since it uses as much as digits as its factorization.

1103212987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1103212987 is about 33214.6501863259. The cubic root of 1103212987 is about 1033.2841998722.

Adding to 1103212987 its reverse (7892123011), we get a palindrome (8995335998).

The spelling of 1103212987 in words is "one billion, one hundred three million, two hundred twelve thousand, nine hundred eighty-seven".