1142180211 has 8 divisors (see below), whose sum is σ = 1533128400. Its totient is φ = 756342752.

The previous prime is 1142180209. The next prime is 1142180243. The reversal of 1142180211 is 1120812411.

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 1142180211 - 2¹ = 1142180209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142180261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277160 + ... + 1278053.

It is an arithmetic number, because the mean of its divisors is an integer number (191641050).

Almost surely, 2^1142180211 is an apocalyptic number.

1142180211 is a deficient number, since it is larger than the sum of its proper divisors (390948189).

1142180211 is a wasteful number, since it uses less digits than its factorization.

1142180211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555365.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1142180211 is about 33796.1567489559. The cubic root of 1142180211 is about 1045.3094513289.

Adding to 1142180211 its reverse (1120812411), we get a palindrome (2262992622).

The spelling of 1142180211 in words is "one billion, one hundred forty-two million, one hundred eighty thousand, two hundred eleven".