1141345047 has 8 divisors (see below), whose sum is σ = 1525590000. Its totient is φ = 758998400.

The previous prime is 1141345043. The next prime is 1141345069. The reversal of 1141345047 is 7405431411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141345047 - 2² = 1141345043 is a prime.

It is a super-2 number, since 2×1141345047² = 2605337032622864418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141345043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473172 + ... + 475577.

It is an arithmetic number, because the mean of its divisors is an integer number (190698750).

Almost surely, 2^1141345047 is an apocalyptic number.

1141345047 is a deficient number, since it is larger than the sum of its proper divisors (384244953).

1141345047 is an equidigital number, since it uses as much as digits as its factorization.

1141345047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949153.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1141345047 is about 33783.7985874886. The cubic root of 1141345047 is about 1045.0546118907.

Adding to 1141345047 its reverse (7405431411), we get a palindrome (8546776458).

The spelling of 1141345047 in words is "one billion, one hundred forty-one million, three hundred forty-five thousand, forty-seven".