1105257 has 8 divisors (see below), whose sum is σ = 1494720. Its totient is φ = 726320.

The previous prime is 1105231. The next prime is 1105261. The reversal of 1105257 is 7525011.

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 1105257 - 2⁶ = 1105193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105207) 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, 2382 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (186840).

2^1105257 is an apocalyptic number.

It is an amenable number.

1105257 is a deficient number, since it is larger than the sum of its proper divisors (389463).

1105257 is an equidigital number, since it uses as much as digits as its factorization.

1105257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1105257 is about 1051.3120374085. The cubic root of 1105257 is about 103.3921956230.

The spelling of 1105257 in words is "one million, one hundred five thousand, two hundred fifty-seven".