1097240 has 16 divisors (see below), whose sum is σ = 2468880. Its totient is φ = 438880.

The previous prime is 1097237. The next prime is 1097267. The reversal of 1097240 is 427901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13676 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (154305).

2^1097240 is an apocalyptic number.

1097240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097240 is an abundant number, since it is smaller than the sum of its proper divisors (1371640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097240 is a wasteful number, since it uses less digits than its factorization.

1097240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27442 (or 27438 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1097240 is about 1047.4922434080. The cubic root of 1097240 is about 103.1416030813.

The spelling of 1097240 in words is "one million, ninety-seven thousand, two hundred forty".