1117144 has 16 divisors (see below), whose sum is σ = 2394000. Its totient is φ = 478752.

The previous prime is 1117117. The next prime is 1117153. The reversal of 1117144 is 4417111.

It is a nude number because it is divisible by every one of its digits.

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, 9919 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (149625).

2^1117144 is an apocalyptic number.

1117144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1117144 is an abundant number, since it is smaller than the sum of its proper divisors (1276856).

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

1117144 is a wasteful number, since it uses less digits than its factorization.

1117144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19962 (or 19958 counting only the distinct ones).

The product of its digits is 112, while the sum is 19.

The square root of 1117144 is about 1056.9503299588. The cubic root of 1117144 is about 103.7615344993.

The spelling of 1117144 in words is "one million, one hundred seventeen thousand, one hundred forty-four".