1097545 has 8 divisors (see below), whose sum is σ = 1324224. Its totient is φ = 873264.

The previous prime is 1097543. The next prime is 1097549. The reversal of 1097545 is 5457901.

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 1097545 - 2¹ = 1097543 is a prime.

It is a Duffinian number.

1097545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1097543) 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, 652 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (165528).

2^1097545 is an apocalyptic number.

It is an amenable number.

1097545 is a deficient number, since it is larger than the sum of its proper divisors (226679).

1097545 is an equidigital number, since it uses as much as digits as its factorization.

1097545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1097545 is about 1047.6378190959. The cubic root of 1097545 is about 103.1511589592.

The spelling of 1097545 in words is "one million, ninety-seven thousand, five hundred forty-five".