1121201966 has 16 divisors (see below), whose sum is σ = 1693543488. Its totient is φ = 556696800.

The previous prime is 1121201929. The next prime is 1121201993. The reversal of 1121201966 is 6691021211.

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, 306971 + ... + 310601.

It is an arithmetic number, because the mean of its divisors is an integer number (105846468).

Almost surely, 2^1121201966 is an apocalyptic number.

1121201966 is a deficient number, since it is larger than the sum of its proper divisors (572341522).

1121201966 is a wasteful number, since it uses less digits than its factorization.

1121201966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1121201966 is about 33484.3540478236. The cubic root of 1121201966 is about 1038.8701876347.

The spelling of 1121201966 in words is "one billion, one hundred twenty-one million, two hundred one thousand, nine hundred sixty-six".