1201102166 has 16 divisors (see below), whose sum is σ = 1994777280. Its totient is φ = 537806280.

The previous prime is 1201102141. The next prime is 1201102181. The reversal of 1201102166 is 6612011021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405956 + ... + 408903.

It is an arithmetic number, because the mean of its divisors is an integer number (124673580).

Almost surely, 2^1201102166 is an apocalyptic number.

1201102166 is a deficient number, since it is larger than the sum of its proper divisors (793675114).

1201102166 is a wasteful number, since it uses less digits than its factorization.

1201102166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814939.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1201102166 is about 34656.9208961212. The cubic root of 1201102166 is about 1062.9838102237.

Adding to 1201102166 its reverse (6612011021), we get a palindrome (7813113187).

The spelling of 1201102166 in words is "one billion, two hundred one million, one hundred two thousand, one hundred sixty-six".