1141123001 has 4 divisors (see below), whose sum is σ = 1180472100. Its totient is φ = 1101773904.

The previous prime is 1141122971. The next prime is 1141123013. The reversal of 1141123001 is 1003211411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1003211411 = 41 ⋅24468571.

It can be written as a sum of positive squares in 2 ways, for example, as 890724025 + 250398976 = 29845^2 + 15824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141123001 - 2⁶ = 1141122937 is a prime.

It is a super-2 number, since 2×1141123001² = 2604323406822492002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141123601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19674506 + ... + 19674563.

It is an arithmetic number, because the mean of its divisors is an integer number (295118025).

Almost surely, 2^1141123001 is an apocalyptic number.

It is an amenable number.

1141123001 is a deficient number, since it is larger than the sum of its proper divisors (39349099).

1141123001 is an equidigital number, since it uses as much as digits as its factorization.

1141123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39349098.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141123001 is about 33780.5121482786. The cubic root of 1141123001 is about 1044.9868365214.

Adding to 1141123001 its reverse (1003211411), we get a palindrome (2144334412).

The spelling of 1141123001 in words is "one billion, one hundred forty-one million, one hundred twenty-three thousand, one".