1101143234 has 4 divisors (see below), whose sum is σ = 1651714854. Its totient is φ = 550571616.

The previous prime is 1101143231. The next prime is 1101143249. The reversal of 1101143234 is 4323411011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4323411011 = 151 ⋅28631861.

It can be written as a sum of positive squares in only one way, i.e., 555780625 + 545362609 = 23575^2 + 23353^2 .

It is not an unprimeable number, because it can be changed into a prime (1101143231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275285807 + ... + 275285810.

Almost surely, 2^1101143234 is an apocalyptic number.

1101143234 is a deficient number, since it is larger than the sum of its proper divisors (550571620).

1101143234 is an equidigital number, since it uses as much as digits as its factorization.

1101143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550571619.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1101143234 is about 33183.4783288311. The cubic root of 1101143234 is about 1032.6376091294.

Adding to 1101143234 its reverse (4323411011), we get a palindrome (5424554245).

It can be divided in two parts, 11011 and 43234, that added together give a palindrome (54245).

The spelling of 1101143234 in words is "one billion, one hundred one million, one hundred forty-three thousand, two hundred thirty-four".