1141127401 has 4 divisors (see below), whose sum is σ = 1142163072. Its totient is φ = 1140091732.

The previous prime is 1141127387. The next prime is 1141127417. The reversal of 1141127401 is 1047211411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1047211411 = 281 ⋅3726731.

It is a cyclic number.

It is not a de Polignac number, because 1141127401 - 2¹³ = 1141119209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141127461) 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, 516181 + ... + 518386.

It is an arithmetic number, because the mean of its divisors is an integer number (285540768).

Almost surely, 2^1141127401 is an apocalyptic number.

It is an amenable number.

1141127401 is a deficient number, since it is larger than the sum of its proper divisors (1035671).

1141127401 is a wasteful number, since it uses less digits than its factorization.

1141127401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035670.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1141127401 is about 33780.5772745227. The cubic root of 1141127401 is about 1044.9881796241.

Adding to 1141127401 its reverse (1047211411), we get a palindrome (2188338812).

The spelling of 1141127401 in words is "one billion, one hundred forty-one million, one hundred twenty-seven thousand, four hundred one".