1116649 has 4 divisors (see below), whose sum is σ = 1175440. Its totient is φ = 1057860.

The previous prime is 1116641. The next prime is 1116653. The reversal of 1116649 is 9466111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1116649 - 2³ = 1116641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29367 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (293860).

2^1116649 is an apocalyptic number.

1116649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1116649 is a deficient number, since it is larger than the sum of its proper divisors (58791).

1116649 is an equidigital number, since it uses as much as digits as its factorization.

1116649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58790.

The product of its digits is 1296, while the sum is 28.

The square root of 1116649 is about 1056.7161397461. The cubic root of 1116649 is about 103.7462068580.

The spelling of 1116649 in words is "one million, one hundred sixteen thousand, six hundred forty-nine".