1153047 has 8 divisors (see below), whose sum is σ = 1757056. Its totient is φ = 658872.

The previous prime is 1153027. The next prime is 1153049. The reversal of 1153047 is 7403511.

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

It is not a de Polignac number, because 1153047 - 2⁸ = 1152791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 54907 = 1153047 / (1 + 1 + 5 + 3 + 0 + 4 + 7).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27433 + ... + 27474.

It is an arithmetic number, because the mean of its divisors is an integer number (219632).

2^1153047 is an apocalyptic number.

1153047 is a deficient number, since it is larger than the sum of its proper divisors (604009).

1153047 is an equidigital number, since it uses as much as digits as its factorization.

1153047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54917.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1153047 is about 1073.8002607562. The cubic root of 1153047 is about 104.8614044418.

Adding to 1153047 its reverse (7403511), we get a palindrome (8556558).

The spelling of 1153047 in words is "one million, one hundred fifty-three thousand, forty-seven".