1142141011 has 4 divisors (see below), whose sum is σ = 1245972024. Its totient is φ = 1038310000.

The previous prime is 1142141009. The next prime is 1142141023. The reversal of 1142141011 is 1101412411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142141011 - 2¹ = 1142141009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142141051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51915490 + ... + 51915511.

It is an arithmetic number, because the mean of its divisors is an integer number (311493006).

Almost surely, 2^1142141011 is an apocalyptic number.

1142141011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142141011 is a deficient number, since it is larger than the sum of its proper divisors (103831013).

1142141011 is a wasteful number, since it uses less digits than its factorization.

1142141011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103831012.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1142141011 is about 33795.5767963797. The cubic root of 1142141011 is about 1045.2974927375.

Adding to 1142141011 its reverse (1101412411), we get a palindrome (2243553422).

The spelling of 1142141011 in words is "one billion, one hundred forty-two million, one hundred forty-one thousand, eleven".