1141112747 has 4 divisors (see below), whose sum is σ = 1142218440. Its totient is φ = 1140007056.

The previous prime is 1141112741. The next prime is 1141112771. The reversal of 1141112747 is 7472111411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7472111411 = 58199 ⋅128389.

It is a cyclic number.

It is not a de Polignac number, because 1141112747 - 2¹⁶ = 1141047211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141112741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551297 + ... + 553362.

It is an arithmetic number, because the mean of its divisors is an integer number (285554610).

Almost surely, 2^1141112747 is an apocalyptic number.

1141112747 is a deficient number, since it is larger than the sum of its proper divisors (1105693).

1141112747 is a wasteful number, since it uses less digits than its factorization.

1141112747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105692.

The product of its digits is 1568, while the sum is 29.

The square root of 1141112747 is about 33780.3603740398. The cubic root of 1141112747 is about 1044.9837064682.

The spelling of 1141112747 in words is "one billion, one hundred forty-one million, one hundred twelve thousand, seven hundred forty-seven".