1115046720 has 84 divisors (see below), whose sum is σ = 3835306020. Its totient is φ = 297345024.

The previous prime is 1115046697. The next prime is 1115046727. The reversal of 1115046720 is 276405111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 528632064 + 586414656 = 22992^2 + 24216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115046727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190705 + ... + 196464.

It is an arithmetic number, because the mean of its divisors is an integer number (45658405).

Almost surely, 2^1115046720 is an apocalyptic number.

1115046720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115046720 is an abundant number, since it is smaller than the sum of its proper divisors (2720259300).

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

1115046720 is a wasteful number, since it uses less digits than its factorization.

1115046720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387192 (or 387179 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1115046720 is about 33392.3152836098. The cubic root of 1115046720 is about 1036.9656128335.

The spelling of 1115046720 in words is "one billion, one hundred fifteen million, forty-six thousand, seven hundred twenty".