1099605061 has 8 divisors (see below), whose sum is σ = 1135720448. Its totient is φ = 1063530000.

The previous prime is 1099605043. The next prime is 1099605071. The reversal of 1099605061 is 1605069901.

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 1099605061 - 2¹¹ = 1099603013 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 1099605061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099605011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51391 + ... + 69571.

It is an arithmetic number, because the mean of its divisors is an integer number (141965056).

Almost surely, 2^1099605061 is an apocalyptic number.

It is an amenable number.

1099605061 is a deficient number, since it is larger than the sum of its proper divisors (36115387).

1099605061 is a wasteful number, since it uses less digits than its factorization.

1099605061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 1099605061 is about 33160.2934395943. The cubic root of 1099605061 is about 1032.1565589480.

The spelling of 1099605061 in words is "one billion, ninety-nine million, six hundred five thousand, sixty-one".