1117140 has 48 divisors (see below), whose sum is σ = 3208128. Its totient is φ = 290304.

The previous prime is 1117117. The next prime is 1117153. The reversal of 1117140 is 417111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (66836).

2^1117140 is an apocalyptic number.

1117140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604064).

1117140 is an abundant number, since it is smaller than the sum of its proper divisors (2090988).

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

1117140 is a wasteful number, since it uses less digits than its factorization.

1117140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 1117140 is about 1056.9484377206. The cubic root of 1117140 is about 103.7614106577.

It can be divided in two parts, 11171 and 40, that added together give a palindrome (11211).

The spelling of 1117140 in words is "one million, one hundred seventeen thousand, one hundred forty".