1211034160 has 80 divisors (see below), whose sum is σ = 3387283200. Its totient is φ = 393355008.

The previous prime is 1211034119. The next prime is 1211034173. The reversal of 1211034160 is 614301121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46270 + ... + 67549.

It is an arithmetic number, because the mean of its divisors is an integer number (42341040).

Almost surely, 2^1211034160 is an apocalyptic number.

1211034160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211034160 is an abundant number, since it is smaller than the sum of its proper divisors (2176249040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211034160 is a wasteful number, since it uses less digits than its factorization.

1211034160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113858 (or 113852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1211034160 is about 34799.9160918529. The cubic root of 1211034160 is about 1065.9057324706.

Adding to 1211034160 its reverse (614301121), we get a palindrome (1825335281).

The spelling of 1211034160 in words is "one billion, two hundred eleven million, thirty-four thousand, one hundred sixty".