1142340241 has 32 divisors (see below), whose sum is σ = 1393920000. Its totient is φ = 915045120.

The previous prime is 1142340223. The next prime is 1142340253. The reversal of 1142340241 is 1420432411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1142340241 - 2¹⁵ = 1142307473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142340271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2289010 + ... + 2289508.

It is an arithmetic number, because the mean of its divisors is an integer number (43560000).

Almost surely, 2^1142340241 is an apocalyptic number.

It is an amenable number.

1142340241 is a deficient number, since it is larger than the sum of its proper divisors (251579759).

1142340241 is a wasteful number, since it uses less digits than its factorization.

1142340241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1142340241 is about 33798.5242429311. The cubic root of 1142340241 is about 1045.3582682196.

Adding to 1142340241 its reverse (1420432411), we get a palindrome (2562772652).

The spelling of 1142340241 in words is "one billion, one hundred forty-two million, three hundred forty thousand, two hundred forty-one".