1001242011 has 16 divisors (see below), whose sum is σ = 1664402688. Its totient is φ = 520125600.

The previous prime is 1001242009. The next prime is 1001242019. The reversal of 1001242011 is 1102421001.

It is a happy number.

It is not a de Polignac number, because 1001242011 - 2¹ = 1001242009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001242019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166960 + ... + 2167421.

It is an arithmetic number, because the mean of its divisors is an integer number (104025168).

Almost surely, 2^1001242011 is an apocalyptic number.

1001242011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001242011 is a deficient number, since it is larger than the sum of its proper divisors (663160677).

1001242011 is a wasteful number, since it uses less digits than its factorization.

1001242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334402.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1001242011 is about 31642.4084260348. The cubic root of 1001242011 is about 1000.4138323858.

Adding to 1001242011 its reverse (1102421001), we get a palindrome (2103663012).

The spelling of 1001242011 in words is "one billion, one million, two hundred forty-two thousand, eleven".