1161242814 has 32 divisors (see below), whose sum is σ = 2428197120. Its totient is φ = 370228056.

The previous prime is 1161242813. The next prime is 1161242827. The reversal of 1161242814 is 4182421611.

1161242814 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161242813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65049 + ... + 80955.

It is an arithmetic number, because the mean of its divisors is an integer number (75881160).

Almost surely, 2^1161242814 is an apocalyptic number.

1161242814 is an abundant number, since it is smaller than the sum of its proper divisors (1266954306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161242814 is an equidigital number, since it uses as much as digits as its factorization.

1161242814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981 (or 15935 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 1161242814 is about 34077.0129852955. The cubic root of 1161242814 is about 1051.0926838180.

The spelling of 1161242814 in words is "one billion, one hundred sixty-one million, two hundred forty-two thousand, eight hundred fourteen".