1001240345 has 16 divisors (see below), whose sum is σ = 1375972608. Its totient is φ = 685143360.

The previous prime is 1001240309. The next prime is 1001240351. The reversal of 1001240345 is 5430421001.

It is not a de Polignac number, because 1001240345 - 2¹⁰ = 1001239321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12326 + ... + 46415.

It is an arithmetic number, because the mean of its divisors is an integer number (85998288).

Almost surely, 2^1001240345 is an apocalyptic number.

It is an amenable number.

1001240345 is a deficient number, since it is larger than the sum of its proper divisors (374732263).

1001240345 is an equidigital number, since it uses as much as digits as its factorization.

1001240345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59240.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1001240345 is about 31642.3821005941. The cubic root of 1001240345 is about 1000.4132775115.

Adding to 1001240345 its reverse (5430421001), we get a palindrome (6431661346).

The spelling of 1001240345 in words is "one billion, one million, two hundred forty thousand, three hundred forty-five".