1099101 has 16 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 658944.

The previous prime is 1099097. The next prime is 1099103. The reversal of 1099101 is 1019901.

It is not a de Polignac number, because 1099101 - 2² = 1099097 is a prime.

1099101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (101304).

2^1099101 is an apocalyptic number.

It is an amenable number.

1099101 is a deficient number, since it is larger than the sum of its proper divisors (521763).

1099101 is a wasteful number, since it uses less digits than its factorization.

1099101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 1099101 is about 1048.3801791335. The cubic root of 1099101 is about 103.1998820683.

The spelling of 1099101 in words is "one million, ninety-nine thousand, one hundred one".