1240312241 has 16 divisors (see below), whose sum is σ = 1440631680. Its totient is φ = 1045820160.

The previous prime is 1240312217. The next prime is 1240312273. The reversal of 1240312241 is 1422130421.

It is not a de Polignac number, because 1240312241 - 2²² = 1236117937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240312141) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 471911 + ... + 474531.

It is an arithmetic number, because the mean of its divisors is an integer number (90039480).

Almost surely, 2^1240312241 is an apocalyptic number.

It is an amenable number.

1240312241 is a deficient number, since it is larger than the sum of its proper divisors (200319439).

1240312241 is a wasteful number, since it uses less digits than its factorization.

1240312241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1240312241 is about 35218.0669685319. The cubic root of 1240312241 is about 1074.4272387118.

Adding to 1240312241 its reverse (1422130421), we get a palindrome (2662442662).

The spelling of 1240312241 in words is "one billion, two hundred forty million, three hundred twelve thousand, two hundred forty-one".