1140420211 has 16 divisors (see below), whose sum is σ = 1314883584. Its totient is φ = 968876064.

The previous prime is 1140420191. The next prime is 1140420217. The reversal of 1140420211 is 1120240411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1140420211 - 2⁹ = 1140419699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140420217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551766 + ... + 553828.

It is an arithmetic number, because the mean of its divisors is an integer number (82180224).

Almost surely, 2^1140420211 is an apocalyptic number.

1140420211 is a deficient number, since it is larger than the sum of its proper divisors (174463373).

1140420211 is a wasteful number, since it uses less digits than its factorization.

1140420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1140420211 is about 33770.1082467913. The cubic root of 1140420211 is about 1044.7722651102.

Adding to 1140420211 its reverse (1120240411), we get a palindrome (2260660622).

The spelling of 1140420211 in words is "one billion, one hundred forty million, four hundred twenty thousand, two hundred eleven".