1097027240 has 16 divisors (see below), whose sum is σ = 2468311380. Its totient is φ = 438810880.

The previous prime is 1097027227. The next prime is 1097027257. The reversal of 1097027240 is 427207901.

It can be written as a sum of positive squares in 2 ways, for example, as 1082541604 + 14485636 = 32902^2 + 3806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1097027197 and 1097027206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13712801 + ... + 13712880.

Almost surely, 2^1097027240 is an apocalyptic number.

1097027240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097027240 is an abundant number, since it is smaller than the sum of its proper divisors (1371284140).

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

1097027240 is a wasteful number, since it uses less digits than its factorization.

1097027240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27425692 (or 27425688 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1097027240 is about 33121.4015403938. The cubic root of 1097027240 is about 1031.3493610292.

The spelling of 1097027240 in words is "one billion, ninety-seven million, twenty-seven thousand, two hundred forty".