1117601 has 2 divisors, whose sum is σ = 1117602. Its totient is φ = 1117600.

The previous prime is 1117591. The next prime is 1117603. The reversal of 1117601 is 1067111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 115600 = 1001^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117601 is a prime.

Together with 1117603, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₇₀₀₂ and since 1117601 and 87002 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1117601.

It is not a weakly prime, because it can be changed into another prime (1117603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558800 + 558801.

It is an arithmetic number, because the mean of its divisors is an integer number (558801).

2^1117601 is an apocalyptic number.

It is an amenable number.

1117601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117601 is an equidigital number, since it uses as much as digits as its factorization.

1117601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1117601 is about 1057.1664958747. The cubic root of 1117601 is about 103.7756814540.

The spelling of 1117601 in words is "one million, one hundred seventeen thousand, six hundred one".