1140432242 has 4 divisors (see below), whose sum is σ = 1710648366. Its totient is φ = 570216120.

The previous prime is 1140432239. The next prime is 1140432263. The reversal of 1140432242 is 2422340411.

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

It can be written as a sum of positive squares in only one way, i.e., 875035561 + 265396681 = 29581^2 + 16291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285108059 + ... + 285108062.

Almost surely, 2^1140432242 is an apocalyptic number.

1140432242 is a deficient number, since it is larger than the sum of its proper divisors (570216124).

1140432242 is an equidigital number, since it uses as much as digits as its factorization.

1140432242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570216123.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1140432242 is about 33770.2863772281. The cubic root of 1140432242 is about 1044.7759390807.

Adding to 1140432242 its reverse (2422340411), we get a palindrome (3562772653).

The spelling of 1140432242 in words is "one billion, one hundred forty million, four hundred thirty-two thousand, two hundred forty-two".