1149047 has 8 divisors (see below), whose sum is σ = 1226016. Its totient is φ = 1073152.

The previous prime is 1149037. The next prime is 1149053. The reversal of 1149047 is 7409411.

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 1149047 - 2¹² = 1144951 is a prime.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149007) 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, 4238 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (153252).

2^1149047 is an apocalyptic number.

1149047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1149047 is a deficient number, since it is larger than the sum of its proper divisors (76969).

1149047 is a wasteful number, since it uses less digits than its factorization.

1149047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1149047 is about 1071.9360988417. The cubic root of 1149047 is about 104.7400067933.

The spelling of 1149047 in words is "one million, one hundred forty-nine thousand, forty-seven".