1211349116 has 6 divisors (see below), whose sum is σ = 2119860960. Its totient is φ = 605674556.

The previous prime is 1211349103. The next prime is 1211349121. The reversal of 1211349116 is 6119431121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151418636 + ... + 151418643.

It is an arithmetic number, because the mean of its divisors is an integer number (353310160).

Almost surely, 2^1211349116 is an apocalyptic number.

It is an amenable number.

1211349116 is a deficient number, since it is larger than the sum of its proper divisors (908511844).

1211349116 is a wasteful number, since it uses less digits than its factorization.

1211349116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302837283 (or 302837281 counting only the distinct ones).

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

The square root of 1211349116 is about 34804.4410384652. The cubic root of 1211349116 is about 1065.9981285175.

The spelling of 1211349116 in words is "one billion, two hundred eleven million, three hundred forty-nine thousand, one hundred sixteen".