1144661 has 8 divisors (see below), whose sum is σ = 1385280. Its totient is φ = 923328.

The previous prime is 1144657. The next prime is 1144667. The reversal of 1144661 is 1664411.

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

It is not a de Polignac number, because 1144661 - 2² = 1144657 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 (1144667) 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, 4691 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^1144661 is an apocalyptic number.

It is an amenable number.

1144661 is a deficient number, since it is larger than the sum of its proper divisors (240619).

1144661 is an equidigital number, since it uses as much as digits as its factorization.

1144661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its digits is 576, while the sum is 23.

The square root of 1144661 is about 1069.8883119279. Note that the first 3 decimals coincide. The cubic root of 1144661 is about 104.6065700058.

The spelling of 1144661 in words is "one million, one hundred forty-four thousand, six hundred sixty-one".