1240254334 has 16 divisors (see below), whose sum is σ = 2048478336. Its totient is φ = 558482200.

The previous prime is 1240254331. The next prime is 1240254343. The reversal of 1240254334 is 4334520421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240254331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261082 + ... + 265789.

It is an arithmetic number, because the mean of its divisors is an integer number (128029896).

Almost surely, 2^1240254334 is an apocalyptic number.

1240254334 is a deficient number, since it is larger than the sum of its proper divisors (808224002).

1240254334 is a wasteful number, since it uses less digits than its factorization.

1240254334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526991.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1240254334 is about 35217.2448382891. The cubic root of 1240254334 is about 1074.4105177001.

Adding to 1240254334 its reverse (4334520421), we get a palindrome (5574774755).

The spelling of 1240254334 in words is "one billion, two hundred forty million, two hundred fifty-four thousand, three hundred thirty-four".