1116601401 has 24 divisors (see below), whose sum is σ = 1579780800. Its totient is φ = 700201920.

The previous prime is 1116601397. The next prime is 1116601417. The reversal of 1116601401 is 1041066111.

It is not a de Polignac number, because 1116601401 - 2² = 1116601397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116601001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254575 + ... + 258923.

It is an arithmetic number, because the mean of its divisors is an integer number (65824200).

Almost surely, 2^1116601401 is an apocalyptic number.

It is an amenable number.

1116601401 is a deficient number, since it is larger than the sum of its proper divisors (463179399).

1116601401 is an equidigital number, since it uses as much as digits as its factorization.

1116601401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1116601401 is about 33415.5861986589. The cubic root of 1116601401 is about 1037.4473271948.

Adding to 1116601401 its reverse (1041066111), we get a palindrome (2157667512).

The spelling of 1116601401 in words is "one billion, one hundred sixteen million, six hundred one thousand, four hundred one".