1142432011 has 24 divisors (see below), whose sum is σ = 1468329120. Its totient is φ = 881540352.

The previous prime is 1142431991. The next prime is 1142432033. The reversal of 1142432011 is 1102342411.

It is not a de Polignac number, because 1142432011 - 2⁷ = 1142431883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142432011.

It is not an unprimeable number, because it can be changed into a prime (1142432111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10656 + ... + 48973.

It is an arithmetic number, because the mean of its divisors is an integer number (61180380).

Almost surely, 2^1142432011 is an apocalyptic number.

1142432011 is a deficient number, since it is larger than the sum of its proper divisors (325897109).

1142432011 is a wasteful number, since it uses less digits than its factorization.

1142432011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59683 (or 59676 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1142432011 is about 33799.8818193200. The cubic root of 1142432011 is about 1045.3862604517.

Adding to 1142432011 its reverse (1102342411), we get a palindrome (2244774422).

The spelling of 1142432011 in words is "one billion, one hundred forty-two million, four hundred thirty-two thousand, eleven".