1097118 has 32 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 332280.

The previous prime is 1097113. The next prime is 1097141. The reversal of 1097118 is 8117901.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1097091 and 1097100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097111) 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, 330 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^1097118 is an apocalyptic number.

1097118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1097118 is an abundant number, since it is smaller than the sum of its proper divisors (1564002).

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

1097118 is a wasteful number, since it uses less digits than its factorization.

1097118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1097118 is about 1047.4340074678. The cubic root of 1097118 is about 103.1377802343.

It can be divided in two parts, 109 and 7118, that added together give a palindrome (7227).

The spelling of 1097118 in words is "one million, ninety-seven thousand, one hundred eighteen".