1099061 has 8 divisors (see below), whose sum is σ = 1137240. Its totient is φ = 1061632.

The previous prime is 1099057. The next prime is 1099079. The reversal of 1099061 is 1609901.

It can be written as a sum of positive squares in 4 ways, for example, as 36100 + 1062961 = 190^2 + 1031^2 .

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 1099061 - 2² = 1099057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099031) 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, 4601 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (142155).

2^1099061 is an apocalyptic number.

It is an amenable number.

1099061 is a deficient number, since it is larger than the sum of its proper divisors (38179).

1099061 is an equidigital number, since it uses as much as digits as its factorization.

1099061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1099061 is about 1048.3611019110. The cubic root of 1099061 is about 103.1986301222.

The spelling of 1099061 in words is "one million, ninety-nine thousand, sixty-one".