1141240001 has 4 divisors (see below), whose sum is σ = 1244989104. Its totient is φ = 1037490900.

The previous prime is 1141239991. The next prime is 1141240129. The reversal of 1141240001 is 1000421411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141240001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141240501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51874535 + ... + 51874556.

It is an arithmetic number, because the mean of its divisors is an integer number (311247276).

Almost surely, 2^1141240001 is an apocalyptic number.

1141240001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1141240001 is a deficient number, since it is larger than the sum of its proper divisors (103749103).

1141240001 is a wasteful number, since it uses less digits than its factorization.

1141240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103749102.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1141240001 is about 33782.2438715962. The cubic root of 1141240001 is about 1045.0225496687.

Adding to 1141240001 its reverse (1000421411), we get a palindrome (2141661412).

It can be divided in two parts, 1141 and 240001, that added together give a palindrome (241142).

The spelling of 1141240001 in words is "one billion, one hundred forty-one million, two hundred forty thousand, one".