1797105 has 16 divisors (see below), whose sum is σ = 3000960. Its totient is φ = 916608.

The previous prime is 1797097. The next prime is 1797109. The reversal of 1797105 is 5017971.

It is not a de Polignac number, because 1797105 - 2³ = 1797097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1797109) 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, 2260 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (187560).

2^1797105 is an apocalyptic number.

1797105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1797105 is a deficient number, since it is larger than the sum of its proper divisors (1203855).

1797105 is a wasteful number, since it uses less digits than its factorization.

1797105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 1797105 is about 1340.5614495427. The cubic root of 1797105 is about 121.5787901965.

The spelling of 1797105 in words is "one million, seven hundred ninety-seven thousand, one hundred five".