1122166087 has 16 divisors (see below), whose sum is σ = 1351590400. Its totient is φ = 910141920.

The previous prime is 1122166079. The next prime is 1122166103. The reversal of 1122166087 is 7806612211.

It is a cyclic number.

It is not a de Polignac number, because 1122166087 - 2³ = 1122166079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122166027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117637 + ... + 126817.

It is an arithmetic number, because the mean of its divisors is an integer number (84474400).

Almost surely, 2^1122166087 is an apocalyptic number.

1122166087 is a deficient number, since it is larger than the sum of its proper divisors (229424313).

1122166087 is an equidigital number, since it uses as much as digits as its factorization.

1122166087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1122166087 is about 33498.7475437515. The cubic root of 1122166087 is about 1039.1678769719.

Adding to 1122166087 its reverse (7806612211), we get a palindrome (8928778298).

The spelling of 1122166087 in words is "one billion, one hundred twenty-two million, one hundred sixty-six thousand, eighty-seven".