1147133471 has 8 divisors (see below), whose sum is σ = 1252025424. Its totient is φ = 1042342720.

The previous prime is 1147133467. The next prime is 1147133473. The reversal of 1147133471 is 1743317411.

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 1147133471 - 2² = 1147133467 is a prime.

It is a super-3 number, since 3×1147133471³ (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 (1147133473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 47901.

It is an arithmetic number, because the mean of its divisors is an integer number (156503178).

Almost surely, 2^1147133471 is an apocalyptic number.

1147133471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1147133471 is a deficient number, since it is larger than the sum of its proper divisors (104891953).

1147133471 is a wasteful number, since it uses less digits than its factorization.

1147133471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50601.

The product of its digits is 7056, while the sum is 32.

The square root of 1147133471 is about 33869.3588808528. The cubic root of 1147133471 is about 1046.8183267171.

The spelling of 1147133471 in words is "one billion, one hundred forty-seven million, one hundred thirty-three thousand, four hundred seventy-one".