1097445 has 16 divisors (see below), whose sum is σ = 1832832. Its totient is φ = 559680.

The previous prime is 1097443. The next prime is 1097461. The reversal of 1097445 is 5447901.

It is a happy number.

It is not a de Polignac number, because 1097445 - 2¹ = 1097443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097441) 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, 1246 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (114552).

2^1097445 is an apocalyptic number.

1097445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097445 is a deficient number, since it is larger than the sum of its proper divisors (735387).

1097445 is a wasteful number, since it uses less digits than its factorization.

1097445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1097445 is about 1047.5900915912. The cubic root of 1097445 is about 103.1480260796.

The spelling of 1097445 in words is "one million, ninety-seven thousand, four hundred forty-five".