1113761217 has 8 divisors (see below), whose sum is σ = 1487334240. Its totient is φ = 741347840.

The previous prime is 1113761213. The next prime is 1113761221. The reversal of 1113761217 is 7121673111.

It is an interprime number because it is at equal distance from previous prime (1113761213) and next prime (1113761221).

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 1113761217 - 2² = 1113761213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113761213) 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, 287667 + ... + 291512.

It is an arithmetic number, because the mean of its divisors is an integer number (185916780).

Almost surely, 2^1113761217 is an apocalyptic number.

It is an amenable number.

1113761217 is a deficient number, since it is larger than the sum of its proper divisors (373573023).

1113761217 is an equidigital number, since it uses as much as digits as its factorization.

1113761217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579823.

The product of its digits is 1764, while the sum is 30.

The square root of 1113761217 is about 33373.0612470597. The cubic root of 1113761217 is about 1036.5669643651.

The spelling of 1113761217 in words is "one billion, one hundred thirteen million, seven hundred sixty-one thousand, two hundred seventeen".