1141664 has 12 divisors (see below), whose sum is σ = 2247714. Its totient is φ = 570816.

The previous prime is 1141661. The next prime is 1141667. The reversal of 1141664 is 4661411.

It is an interprime number because it is at equal distance from previous prime (1141661) and next prime (1141667).

It can be written as a sum of positive squares in only one way, i.e., 883600 + 258064 = 940^2 + 508^2 .

It is not an unprimeable number, because it can be changed into a prime (1141661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17807 + ... + 17870.

2^1141664 is an apocalyptic number.

It is an amenable number.

1141664 is a deficient number, since it is larger than the sum of its proper divisors (1106050).

1141664 is an equidigital number, since it uses as much as digits as its factorization.

1141664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35687 (or 35679 counting only the distinct ones).

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

The square root of 1141664 is about 1068.4867804517. The cubic root of 1141664 is about 104.5151950921.

The spelling of 1141664 in words is "one million, one hundred forty-one thousand, six hundred sixty-four".