1117642 has 8 divisors (see below), whose sum is σ = 1704132. Its totient is φ = 549600.

The previous prime is 1117609. The next prime is 1117657. The reversal of 1117642 is 2467111.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 159201 = 979^2 + 399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4459 + ... + 4702.

2^1117642 is an apocalyptic number.

1117642 is a deficient number, since it is larger than the sum of its proper divisors (586490).

1117642 is an equidigital number, since it uses as much as digits as its factorization.

1117642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224.

The product of its digits is 336, while the sum is 22.

The square root of 1117642 is about 1057.1858871551. The cubic root of 1117642 is about 103.7769504671.

The spelling of 1117642 in words is "one million, one hundred seventeen thousand, six hundred forty-two".