1240000211 has 8 divisors (see below), whose sum is σ = 1317937920. Its totient is φ = 1163329992.

The previous prime is 1240000207. The next prime is 1240000231. The reversal of 1240000211 is 1120000421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240000211 - 2² = 1240000207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240000192 and 1240000201.

It is not an unprimeable number, because it can be changed into a prime (1240000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314855 + ... + 318768.

It is an arithmetic number, because the mean of its divisors is an integer number (164742240).

Almost surely, 2^1240000211 is an apocalyptic number.

1240000211 is a deficient number, since it is larger than the sum of its proper divisors (77937709).

1240000211 is a wasteful number, since it uses less digits than its factorization.

1240000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633745.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1240000211 is about 35213.6367193166. The cubic root of 1240000211 is about 1074.3371319258.

Adding to 1240000211 its reverse (1120000421), we get a palindrome (2360000632).

The spelling of 1240000211 in words is "one billion, two hundred forty million, two hundred eleven", and thus it is an aban number.