1105249 has 4 divisors (see below), whose sum is σ = 1163440. Its totient is φ = 1047060.

The previous prime is 1105231. The next prime is 1105261. The reversal of 1105249 is 9425011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9425011 = 89 ⋅105899.

It is a cyclic number.

It is not a de Polignac number, because 1105249 - 2⁵ = 1105217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105549) 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, 29067 + ... + 29104.

It is an arithmetic number, because the mean of its divisors is an integer number (290860).

2^1105249 is an apocalyptic number.

1105249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1105249 is a deficient number, since it is larger than the sum of its proper divisors (58191).

1105249 is an equidigital number, since it uses as much as digits as its factorization.

1105249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58190.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1105249 is about 1051.3082326321. The cubic root of 1105249 is about 103.3919461669.

The spelling of 1105249 in words is "one million, one hundred five thousand, two hundred forty-nine".