1115412144 has 80 divisors (see below), whose sum is σ = 3592508160. Its totient is φ = 289716480.

The previous prime is 1115412107. The next prime is 1115412149. The reversal of 1115412144 is 4412145111.

It is a happy number.

1115412144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1115412149) 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, 147199 + ... + 154590.

It is an arithmetic number, because the mean of its divisors is an integer number (44906352).

Almost surely, 2^1115412144 is an apocalyptic number.

1115412144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1115412144 is an abundant number, since it is smaller than the sum of its proper divisors (2477096016).

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

1115412144 is a wasteful number, since it uses less digits than its factorization.

1115412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301818 (or 301812 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 1115412144 is about 33397.7865134802. The cubic root of 1115412144 is about 1037.0788788603.

Adding to 1115412144 its reverse (4412145111), we get a palindrome (5527557255).

The spelling of 1115412144 in words is "one billion, one hundred fifteen million, four hundred twelve thousand, one hundred forty-four".