1097090 has 16 divisors (see below), whose sum is σ = 2039040. Its totient is φ = 424560.

The previous prime is 1097081. The next prime is 1097101. The reversal of 1097090 is 907901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (127440).

2^1097090 is an apocalyptic number.

1097090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097090 is a deficient number, since it is larger than the sum of its proper divisors (941950).

1097090 is a wasteful number, since it uses less digits than its factorization.

1097090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 1097090 is about 1047.4206413853. The cubic root of 1097090 is about 103.1369028196.

The spelling of 1097090 in words is "one million, ninety-seven thousand, ninety".