1144997 has 8 divisors (see below), whose sum is σ = 1377600. Its totient is φ = 929664.

The previous prime is 1144993. The next prime is 1145003. The reversal of 1144997 is 7994411.

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 1144997 - 2² = 1144993 is a prime.

It is a super-3 number, since 3×1144997³ = 4503335477417744919, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144993) 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, 4172 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (172200).

2^1144997 is an apocalyptic number.

It is an amenable number.

1144997 is a deficient number, since it is larger than the sum of its proper divisors (232603).

1144997 is an equidigital number, since it uses as much as digits as its factorization.

1144997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635.

The product of its digits is 9072, while the sum is 35.

The square root of 1144997 is about 1070.0453261428. The cubic root of 1144997 is about 104.6168042932.

The spelling of 1144997 in words is "one million, one hundred forty-four thousand, nine hundred ninety-seven".