1115144030 has 128 divisors (see below), whose sum is σ = 2724212736. Its totient is φ = 317376000.

The previous prime is 1115144027. The next prime is 1115144039. The reversal of 1115144030 is 304415111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1115143993 and 1115144011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115144039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1010459 + ... + 1011561.

It is an arithmetic number, because the mean of its divisors is an integer number (21282912).

Almost surely, 2^1115144030 is an apocalyptic number.

1115144030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115144030 is an abundant number, since it is smaller than the sum of its proper divisors (1609068706).

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

1115144030 is a wasteful number, since it uses less digits than its factorization.

1115144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1115144030 is about 33393.7723235935. The cubic root of 1115144030 is about 1036.9957772462.

Adding to 1115144030 its reverse (304415111), we get a palindrome (1419559141).

The spelling of 1115144030 in words is "one billion, one hundred fifteen million, one hundred forty-four thousand, thirty".