1117487 has 8 divisors (see below), whose sum is σ = 1284096. Its totient is φ = 952632.

The previous prime is 1117483. The next prime is 1117489. The reversal of 1117487 is 7847111.

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

It is a cyclic number.

It is not a de Polignac number, because 1117487 - 2² = 1117483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (160512).

2^1117487 is an apocalyptic number.

1117487 is a deficient number, since it is larger than the sum of its proper divisors (166609).

1117487 is an equidigital number, since it uses as much as digits as its factorization.

1117487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its digits is 1568, while the sum is 29.

The square root of 1117487 is about 1057.1125767864. The cubic root of 1117487 is about 103.7721528154.

The spelling of 1117487 in words is "one million, one hundred seventeen thousand, four hundred eighty-seven".