1105898 has 8 divisors (see below), whose sum is σ = 1690308. Its totient is φ = 542464.

The previous prime is 1105891. The next prime is 1105913. The reversal of 1105898 is 8985011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1067089 + 38809 = 1033^2 + 197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1105891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111 + ... + 5322.

2^1105898 is an apocalyptic number.

1105898 is a deficient number, since it is larger than the sum of its proper divisors (584410).

1105898 is a wasteful number, since it uses less digits than its factorization.

1105898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1105898 is about 1051.6168503785. The cubic root of 1105898 is about 103.4121793883.

The spelling of 1105898 in words is "one million, one hundred five thousand, eight hundred ninety-eight".