1147388546 has 8 divisors (see below), whose sum is σ = 1721815824. Its totient is φ = 573449940.

The previous prime is 1147388533. The next prime is 1147388551. The reversal of 1147388546 is 6458837411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1147388546.

It is an unprimeable number.

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, 116240 + ... + 125723.

It is an arithmetic number, because the mean of its divisors is an integer number (215226978).

Almost surely, 2^1147388546 is an apocalyptic number.

1147388546 is a deficient number, since it is larger than the sum of its proper divisors (574427278).

1147388546 is a wasteful number, since it uses less digits than its factorization.

1147388546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244336.

The product of its digits is 645120, while the sum is 47.

The square root of 1147388546 is about 33873.1242432699. The cubic root of 1147388546 is about 1046.8959106550.

The spelling of 1147388546 in words is "one billion, one hundred forty-seven million, three hundred eighty-eight thousand, five hundred forty-six".