1140005242 has 4 divisors (see below), whose sum is σ = 1710007866. Its totient is φ = 570002620.

The previous prime is 1140005179. The next prime is 1140005267. The reversal of 1140005242 is 2425000411.

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., 1050343281 + 89661961 = 32409^2 + 9469^2 .

It is a super-2 number, since 2×1140005242² = 2599223903574957128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285001309 + ... + 285001312.

Almost surely, 2^1140005242 is an apocalyptic number.

1140005242 is a deficient number, since it is larger than the sum of its proper divisors (570002624).

1140005242 is an equidigital number, since it uses as much as digits as its factorization.

1140005242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570002623.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1140005242 is about 33763.9636594995. The cubic root of 1140005242 is about 1044.6455279963.

Adding to 1140005242 its reverse (2425000411), we get a palindrome (3565005653).

The spelling of 1140005242 in words is "one billion, one hundred forty million, five thousand, two hundred forty-two".