1117390 has 16 divisors (see below), whose sum is σ = 2117520. Its totient is φ = 423360.

The previous prime is 1117379. The next prime is 1117433. The reversal of 1117390 is 937111.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751 + ... + 3130.

It is an arithmetic number, because the mean of its divisors is an integer number (132345).

2^1117390 is an apocalyptic number.

1117390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117390 is a deficient number, since it is larger than the sum of its proper divisors (1000130).

1117390 is a wasteful number, since it uses less digits than its factorization.

1117390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1117390 is about 1057.0666960982. The cubic root of 1117390 is about 103.7691501884.

The spelling of 1117390 in words is "one million, one hundred seventeen thousand, three hundred ninety".