1100949 has 4 divisors (see below), whose sum is σ = 1467936. Its totient is φ = 733964.

The previous prime is 1100947. The next prime is 1100977. The reversal of 1100949 is 9490011.

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 1100949 - 2¹ = 1100947 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100947) 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, 183489 + ... + 183494.

It is an arithmetic number, because the mean of its divisors is an integer number (366984).

2^1100949 is an apocalyptic number.

It is an amenable number.

1100949 is a deficient number, since it is larger than the sum of its proper divisors (366987).

1100949 is an equidigital number, since it uses as much as digits as its factorization.

1100949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366986.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1100949 is about 1049.2611686325. The cubic root of 1100949 is about 103.2576888864.

The spelling of 1100949 in words is "one million, one hundred thousand, nine hundred forty-nine".