1142151211 has 16 divisors (see below), whose sum is σ = 1180567584. Its totient is φ = 1104516864.

The previous prime is 1142151209. The next prime is 1142151221. The reversal of 1142151211 is 1121512411.

It is not a de Polignac number, because 1142151211 - 2¹ = 1142151209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142151221) by changing a digit.

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, 1432665 + ... + 1433461.

It is an arithmetic number, because the mean of its divisors is an integer number (73785474).

Almost surely, 2^1142151211 is an apocalyptic number.

1142151211 is a deficient number, since it is larger than the sum of its proper divisors (38416373).

1142151211 is an equidigital number, since it uses as much as digits as its factorization.

1142151211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its digits is 80, while the sum is 19.

The square root of 1142151211 is about 33795.7277033651. The cubic root of 1142151211 is about 1045.3006044382.

Adding to 1142151211 its reverse (1121512411), we get a palindrome (2263663622).

The spelling of 1142151211 in words is "one billion, one hundred forty-two million, one hundred fifty-one thousand, two hundred eleven".