1122202087 has 2 divisors, whose sum is σ = 1122202088. Its totient is φ = 1122202086.

The previous prime is 1122202061. The next prime is 1122202117. The reversal of 1122202087 is 7802022211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122202087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122202687) 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, 561101043 + 561101044.

It is an arithmetic number, because the mean of its divisors is an integer number (561101044).

Almost surely, 2^1122202087 is an apocalyptic number.

1122202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122202087 is an equidigital number, since it uses as much as digits as its factorization.

1122202087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1122202087 is about 33499.2848729641. The cubic root of 1122202087 is about 1039.1789893031.

Adding to 1122202087 its reverse (7802022211), we get a palindrome (8924224298).

The spelling of 1122202087 in words is "one billion, one hundred twenty-two million, two hundred two thousand, eighty-seven".