1117400 has 48 divisors (see below), whose sum is σ = 2685840. Its totient is φ = 432000.

The previous prime is 1117379. The next prime is 1117433. The reversal of 1117400 is 47111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7325 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (55955).

2^1117400 is an apocalyptic number.

1117400 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 1117400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342920).

1117400 is an abundant number, since it is smaller than the sum of its proper divisors (1568440).

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

1117400 is a wasteful number, since it uses less digits than its factorization.

1117400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1117400 is about 1057.0714261581. The cubic root of 1117400 is about 103.7694597456.

The spelling of 1117400 in words is "one million, one hundred seventeen thousand, four hundred".