1147281475 has 12 divisors (see below), whose sum is σ = 1457328600. Its totient is φ = 895438400.

The previous prime is 1147281433. The next prime is 1147281497. The reversal of 1147281475 is 5741827411.

It is a happy number.

It is not a de Polignac number, because 1147281475 - 2¹⁹ = 1146757187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558625 + ... + 560674.

It is an arithmetic number, because the mean of its divisors is an integer number (121444050).

Almost surely, 2^1147281475 is an apocalyptic number.

1147281475 is a deficient number, since it is larger than the sum of its proper divisors (310047125).

1147281475 is a wasteful number, since it uses less digits than its factorization.

1147281475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119350 (or 1119345 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 1147281475 is about 33871.5437351178. The cubic root of 1147281475 is about 1046.8633452033.

The spelling of 1147281475 in words is "one billion, one hundred forty-seven million, two hundred eighty-one thousand, four hundred seventy-five".