1141277471 has 4 divisors (see below), whose sum is σ = 1141552200. Its totient is φ = 1141002744.

The previous prime is 1141277441. The next prime is 1141277521. The reversal of 1141277471 is 1747721411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1747721411 = 2203 ⋅793337.

It is a cyclic number.

It is not a de Polignac number, because 1141277471 - 2⁶ = 1141277407 is a prime.

It is a super-3 number, since 3×1141277471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141277441) 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, 131036 + ... + 139473.

It is an arithmetic number, because the mean of its divisors is an integer number (285388050).

Almost surely, 2^1141277471 is an apocalyptic number.

1141277471 is a deficient number, since it is larger than the sum of its proper divisors (274729).

1141277471 is an equidigital number, since it uses as much as digits as its factorization.

1141277471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274728.

The product of its digits is 10976, while the sum is 35.

The square root of 1141277471 is about 33782.7984483228. The cubic root of 1141277471 is about 1045.0339865170.

Adding to 1141277471 its reverse (1747721411), we get a palindrome (2888998882).

The spelling of 1141277471 in words is "one billion, one hundred forty-one million, two hundred seventy-seven thousand, four hundred seventy-one".