1117942 has 16 divisors (see below), whose sum is σ = 1958400. Its totient is φ = 468648.

The previous prime is 1117939. The next prime is 1117943. The reversal of 1117942 is 2497111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2^1117942 is an apocalyptic number.

1117942 is a deficient number, since it is larger than the sum of its proper divisors (840458).

1117942 is a wasteful number, since it uses less digits than its factorization.

1117942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 504, while the sum is 25.

The square root of 1117942 is about 1057.3277637516. The cubic root of 1117942 is about 103.7862349845.

The spelling of 1117942 in words is "one million, one hundred seventeen thousand, nine hundred forty-two".